{"item": {"cve_id": "CVE-2023-33010", "ghsa_id": "", "osv_id": "", "title": "CVE-2023-33010", "description": "A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.25 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.25 through 5.36 Patch 1, VPN series firmware versions 4.30 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.25 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.", "published_at": "2023-05-24T13:15:09.640", "modified_at": "2026-06-17T06:00:17.010", "vendor": "Zyxel", "product": "atp100 Firmware", "affected_versions": ["4.32 through 5.36 Patch 1", "4.50 through 5.36 Patch 1", "4.25 through 5.36 Patch 1", "4.30 through 5.36 Patch 1", "4.25 through 4.73 Patch 1"], "fixed_versions": [], "cvss_score": 9.8, "cvss_version": "3.1", "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "CRITICAL", "epss_score": 0.29024, "epss_percentile": 0.98118, "epss_date": "2026-10-06", "is_kev": true, "kev_date": "2023-06-05", "kev_due_date": "2023-06-26", "kev_action": "Apply updates per vendor instructions.", "cwe_ids": ["CWE-120"], "attack_vector": "NETWORK", "attack_complexity": "LOW", "privileges_required": "NONE", "user_interaction": "NONE", "references": ["https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls", "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls", "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33010"], "source_urls": {"NVD": "https://nvd.nist.gov/vuln/detail/CVE-2023-33010", "CVE.org": "https://www.cve.org/CVERecord?id=CVE-2023-33010", "CISA": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33010", "FIRST EPSS": "https://api.first.org/data/v1/epss?cve=CVE-2023-33010"}, "patch_available": null, "workaround_available": null, "sources": ["NVD", "CVE.org", "CISA", "FIRST EPSS"], "reference_items": [{"url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls", "tags": ["Vendor Advisory"], "source": "NVD", "name": ""}, {"url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls", "tags": ["Vendor Advisory", "x_transferred"], "source": "NVD", "name": ""}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33010", "tags": ["US Government Resource", "government-resource"], "source": "NVD", "name": ""}], "cvss_v4_score": null, "cvss_v4_vector": "", "cvss_v4_severity": "", "nvd_status": "Analyzed", "cna": "Zyxel", "date_reserved": "2023-05-17T00:00:00.000Z", "ssvc": {"options": {"Exploitation": "active", "Automatable": "yes", "Technical Impact": "total"}, "version": "2.0.3", "timestamp": "2025-01-16T19:00:52.460065Z", "role": "CISA Coordinator"}, "affected_products": [{"vendor": "Zyxel", "product": "atp100 Firmware", "ranges": ["de 4.32 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "atp200 Firmware", "ranges": ["de 4.32 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "atp500 Firmware", "ranges": ["de 4.32 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "atp100w Firmware", "ranges": ["de 4.32 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "atp700 Firmware", "ranges": ["de 4.32 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "atp800 Firmware", "ranges": ["de 4.32 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 100 Firmware", "ranges": ["de 4.50 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 50 Firmware", "ranges": ["5.36"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 200 Firmware", "ranges": ["de 4.50 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 500 Firmware", "ranges": ["de 4.50 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 700 Firmware", "ranges": ["de 4.50 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 100w Firmware", "ranges": ["5.36"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 50w Firmware", "ranges": ["de 4.25 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg 20w-vpn Firmware", "ranges": ["5.36"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Zyxel", "product": "vpn100 Firmware", "ranges": ["de 4.30 à 5.36 (exclue)"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "vpn50 Firmware", "ranges": ["de 4.30 à 5.36 (exclue)"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "vpn300 Firmware", "ranges": ["de 4.30 à 5.36 (exclue)"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "vpn1000 Firmware", "ranges": ["de 4.30 à 5.36 (exclue)"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "usg20-vpn Firmware", "ranges": ["de 4.30 à 5.36 (exclue)"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg 40 Firmware", "ranges": ["de 4.25 à 4.73 (exclue)"], "first_unaffected": ["4.73"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg 40w Firmware", "ranges": ["de 4.25 à 4.73 (exclue)"], "first_unaffected": ["4.73"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg 60w Firmware", "ranges": ["de 4.25 à 4.73 (exclue)"], "first_unaffected": ["4.73"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg 60 Firmware", "ranges": ["de 4.25 à 4.73 (exclue)"], "first_unaffected": ["4.73"], "source": "NVD"}, {"vendor": "Zyxel", "product": "ATP series firmware", "ranges": ["4.32 through 5.36 Patch 1"], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Zyxel", "product": "USG FLEX series firmware", "ranges": ["4.50 through 5.36 Patch 1"], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Zyxel", "product": "USG FLEX 50(W) firmware", "ranges": ["4.25 through 5.36 Patch 1"], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Zyxel", "product": "USG20(W)-VPN firmware", "ranges": ["4.25 through 5.36 Patch 1"], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Zyxel", "product": "VPN series firmware", "ranges": ["4.30 through 5.36 Patch 1"], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Zyxel", "product": "ZyWALL/USG series firmware", "ranges": ["4.25 through 4.73 Patch 1"], "first_unaffected": [], "source": "CVE.org"}], "kev_name": "Zyxel Multiple Firewalls Buffer Overflow Vulnerability", "kev_short_description": "Zyxel ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, VPN, and ZyWALL/USG firewalls contain a buffer overflow vulnerability in the ID processing function that could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and remote code execution on an affected device.", "kev_ransomware": "Unknown", "kev_notes": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls;  https://nvd.nist.gov/vuln/detail/CVE-2023-33010", "kev_cwes": ["CWE-120"], "wordfence_id": "", "mentions_sources": [], "version_match": "unknown", "risk_score": 67, "risk_class": "Important", "impact": {"confidentialite": "élevé", "integrite": "élevé", "disponibilite": "élevé", "summary": "Un attaquant exploitant cette vulnérabilité pourrait, selon les conditions décrites par les sources, exploitable à distance (réseau), sans authentification préalable, affecter la confidentialité des données, l'intégrité du système et la disponibilité du service.", "basis": "CVSS 3.1"}, "mechanism": "Copie sans vérification de taille (débordement de tampon classique).", "mitigation": {"correction": {"available": true, "text": "Mettre à jour : selon les sources, ne sont plus concernées les versions à partir de atp100 Firmware 5.36, atp200 Firmware 5.36, atp500 Firmware 5.36, atp100w Firmware 5.36, atp700 Firmware 5.36."}, "mitigation": {"specific": "Aucune mesure de mitigation spécifique confirmée par les sources consultées. Consultez les références officielles pour d'éventuelles mesures détaillées.", "general": ["Maintenir le produit à jour et activer les mises à jour de sécurité.", "Restreindre l'exposition réseau du service au strict nécessaire.", "Appliquer le principe du moindre privilège.", "Surveiller les journaux et les alertes de sécurité."], "specific_links": []}, "containment": {"applicable": true, "actions": ["Action recommandée par la CISA : Apply updates per vendor instructions.", "Isoler ou restreindre l'accès au service concerné.", "Restreindre les flux réseau entrants/sortants liés au composant.", "Renforcer la surveillance des journaux et des accès.", "Désactiver temporairement le composant vulnérable si l'activité le permet."]}, "note": "Priorité aux consignes officielles de l'éditeur et des références. Vérifiez toujours l'avis de sécurité avant toute intervention en production.", "official_links": [{"url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls", "groupe": "avis_editeur", "groupe_titre": "Avis de sécurité de l'éditeur", "editeur": "Zyxel", "domaine": "www.zyxel.com"}]}, "plain": {"verdict": "now", "verdict_label": "Exploité par des attaquants · à traiter aujourd'hui", "verdict_css": "now", "verdict_rank": 0, "headline": "Un attaquant peut faire exécuter son propre code à distance, à distance et sans compte", "headline_is_derived": true, "action": "Mettre à jour vers atp100 Firmware 5.36, atp200 Firmware 5.36, atp500 Firmware 5.36 ou plus récent, version publiée comme non concernée.", "action_kind": "update", "concerned": [{"version": "atp100 Firmware 5.36, atp200 Firmware 5.36, atp500 Firmware 5.36 ou plus récent", "state": "safe", "state_label": "Non concerné", "todo": "Rien à faire. Gardez les mises à jour automatiques activées."}, {"version": "4.32 through 5.36 Patch 1, 4.50 through 5.36 Patch 1, 4.25 through 5.36 Patch 1, 4.30 through 5.36 Patch 1", "state": "hit", "state_label": "Concerné", "todo": "Mettre à jour vers atp100 Firmware 5.36, atp200 Firmware 5.36, atp500 Firmware 5.36 ou plus récent, version publiée comme non concernée."}, {"version": "Je ne connais pas ma version", "state": "unknown", "state_label": "À vérifier", "todo": "La version s'affiche généralement dans le menu « À propos » ou « Aide » du logiciel."}], "steps": [{"title": "Sauvegarder avant d'intervenir", "detail": "Une copie récente des données et de la configuration. Si votre hébergeur propose une sauvegarde en un clic, c'est le moment.", "duration": "10 min", "priority": false}, {"title": "Mettre à jour vers atp100 Firmware 5.36, atp200 Firmware 5.36, atp500 Firmware 5.36 ou plus récent, version publiée comme non concernée", "detail": "C'est la correction officielle. Tant qu'elle n'est pas appliquée, les autres mesures ne sont que temporaires.", "duration": "15 à 45 min", "priority": true}, {"title": "En attendant : réduire l'exposition sur Internet", "detail": "La faille est exploitable à distance. Limiter l'accès au service depuis l'extérieur (pare-feu, filtrage d'adresses, VPN) réduit fortement le risque.", "duration": "30 min", "priority": false}, {"title": "Vérifier que vous n'avez pas déjà été touché", "detail": "Cette faille est activement exploitée. Contrôler les comptes créés récemment, les connexions inhabituelles et les fichiers modifiés depuis la date de publication.", "duration": "30 min", "priority": true}, {"title": "Confirmer que tout fonctionne encore", "detail": "Après correction : page d'accueil, connexion, et les deux ou trois fonctions dont vous vous servez tous les jours.", "duration": "10 min", "priority": false}], "exploited": true, "exploited_label": "Oui, des attaques réelles sont constatées", "fixed_label": "atp100 Firmware 5.36, atp200 Firmware 5.36, atp500 Firmware 5.36 (non concernée selon les sources)", "affected_label": "4.32 through 5.36 Patch 1, 4.50 through 5.36 Patch 1, 4.25 through 5.36 Patch 1, 4.30 through 5.36 Patch 1"}, "severity_display": "Critique", "cvss_is_legacy": false, "risk_score_computable": true, "identifier": "CVE-2023-33010", "severity_fr": "Critique", "epss_pct": 29.0, "source_records": [{"source": "NVD", "label": "NVD, NIST", "date_label": "Publié dans la base", "date": "2023-05-24", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33010"}, {"source": "CVE.org", "label": "CVE.org, programme CVE", "date_label": "Publié par l'organisme CNA", "date": "2023-05-24", "url": "https://www.cve.org/CVERecord?id=CVE-2023-33010"}, {"source": "CISA", "label": "CISA KEV", "date_label": "Ajout au catalogue", "date": "2023-06-05", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33010"}, {"source": "FIRST EPSS", "label": "FIRST EPSS", "date_label": "Score daté du", "date": "2026-10-06", "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-33010"}], "exploit_public": false, "reseau_sans_auth": true, "exposition": "À distance, sans compte et sans action d'un utilisateur", "owasp": []}, "presentation": {"en_bref": [{"question": "Est-elle attaquée ?", "ton": "alerte", "reponse": "Oui, attaques constatées", "source": "Catalogue CISA KEV"}, {"question": "Existe-t-il un correctif ?", "ton": "bon", "reponse": "Oui : 5.36, 4.73", "source": "Versions publiées comme non concernées"}, {"question": "Comment l'attaquer ?", "ton": "alerte", "reponse": "À distance, sans compte et sans action d'un utilisateur", "source": "Vecteur CVSS publié"}, {"question": "Risque d'exploitation", "ton": "alerte", "reponse": "29,0 % sur 30 jours", "source": "Plus probable que 98 % des failles connues"}], "references": [{"cle": "avis_editeur", "titre": "Avis de sécurité de l'éditeur", "explication": "La parole de l'éditeur du produit : elle fait foi pour savoir quoi installer.", "items": [{"url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls", "domaine": "www.zyxel.com", "editeur": "Zyxel", "etiquettes": ["Avis de l'éditeur"], "nom": "", "lien": true, "casse": false}]}, {"cle": "avis_tiers", "titre": "Avis d'autorités et d'organismes tiers", "explication": "CERT, agences gouvernementales, bases de vulnérabilités, chercheurs.", "items": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33010", "domaine": "www.cisa.gov", "editeur": "CISA", "etiquettes": ["Ressource gouvernementale américaine", "Ressource gouvernementale"], "nom": "", "lien": true, "casse": false}]}], "liens_correction": [{"url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls", "domaine": "www.zyxel.com", "editeur": "Zyxel", "etiquettes": ["Avis de l'éditeur"], "nom": "", "lien": true, "casse": false, "groupe": "avis_editeur", "groupe_titre": "Avis de sécurité de l'éditeur"}], "nb_exploits": 0, "cvss": {"version": "3.1", "vecteur": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "metriques": [{"code": "AV", "nom": "Vecteur d'attaque", "valeur": "Réseau (à distance, y compris par Internet)", "brut": "N", "explication": "D'où l'attaquant doit agir."}, {"code": "AC", "nom": "Complexité de l'attaque", "valeur": "Faible", "brut": "L", "explication": "Conditions hors du contrôle de l'attaquant."}, {"code": "PR", "nom": "Privilèges requis", "valeur": "Aucun (pas de compte)", "brut": "N", "explication": "Droits dont l'attaquant a besoin avant d'attaquer."}, {"code": "UI", "nom": "Interaction de l'utilisateur", "valeur": "Aucune", "brut": "N", "explication": "Une victime doit-elle cliquer ou ouvrir quelque chose ?"}, {"code": "S", "nom": "Portée", "valeur": "Inchangée", "brut": "U", "explication": "L'attaque peut-elle toucher d'autres composants que celui qui est vulnérable ?"}, {"code": "C", "nom": "Confidentialité", "valeur": "Élevé", "brut": "H", "explication": "Accès à des informations protégées."}, {"code": "I", "nom": "Intégrité", "valeur": "Élevé", "brut": "H", "explication": "Modification de données ou du système."}, {"code": "A", "nom": "Disponibilité", "valeur": "Élevé", "brut": "H", "explication": "Arrêt ou ralentissement du service."}], "calculateur": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "specification": "https://www.first.org/cvss/v3.1/specification-document"}, "cvss4": null, "cwe": [{"id": "CWE-120", "nom": "", "url": "https://cwe.mitre.org/data/definitions/120.html"}], "owasp": [], "ssvc": {"lignes": [{"nom": "Exploitation", "valeur": "Exploitation active constatée", "brut": "active"}, {"nom": "Automatisable", "valeur": "Oui : l'attaque peut être enchaînée sans intervention humaine", "brut": "yes"}, {"nom": "Impact technique", "valeur": "Total : contrôle complet du composant ou de ses informations", "brut": "total"}], "version": "2.0.3", "date": "2025-01-16", "role": "CISA Coordinator", "url": "https://www.cisa.gov/stakeholder-specific-vulnerability-categorization-ssvc"}, "chronologie": [{"date": "2023-05-17", "libelle": "Identifiant réservé", "qui": "Programme CVE"}, {"date": "2023-05-24", "libelle": "Publication de la vulnérabilité", "qui": "Zyxel"}, {"date": "2023-06-05", "libelle": "Ajout au catalogue des failles exploitées", "qui": "CISA"}, {"date": "2023-06-26", "libelle": "Échéance de correction fixée par la CISA", "qui": "CISA"}, {"date": "2025-01-16", "libelle": "Décision SSVC publiée", "qui": "CISA"}, {"date": "2026-06-17", "libelle": "Dernière mise à jour de la fiche source", "qui": "Source"}, {"date": "2026-10-06", "libelle": "Calcul du score EPSS affiché", "qui": "FIRST"}], "liens_officiels": [{"nom": "NVD (NIST)", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33010", "description": "Fiche de référence : CVSS, CPE, références étiquetées."}, {"nom": "CVE.org", "url": "https://www.cve.org/CVERecord?id=CVE-2023-33010", "description": "Enregistrement officiel publié par l'organisme qui a attribué l'identifiant."}, {"nom": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33010", "description": "Entrée du catalogue des failles activement exploitées."}, {"nom": "FIRST EPSS", "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-33010", "description": "Score de probabilité d'exploitation du jour."}, {"nom": "OSV.dev", "url": "https://osv.dev/vulnerability/CVE-2023-33010", "description": "Paquets open source concernés et versions corrigées."}, {"nom": "GitHub Advisory Database", "url": "https://github.com/advisories?query=CVE-2023-33010", "description": "Avis de sécurité des dépendances logicielles."}], "produits": [{"vendor": "Zyxel", "product": "atp100 Firmware", "ranges": ["de 4.32 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "atp200 Firmware", "ranges": ["de 4.32 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "atp500 Firmware", "ranges": ["de 4.32 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "atp100w Firmware", "ranges": ["de 4.32 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "atp700 Firmware", "ranges": ["de 4.32 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "atp800 Firmware", "ranges": ["de 4.32 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 100 Firmware", "ranges": ["de 4.50 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 50 Firmware", "ranges": ["5.36"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 200 Firmware", "ranges": ["de 4.50 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 500 Firmware", "ranges": ["de 4.50 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 700 Firmware", "ranges": ["de 4.50 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 100w Firmware", "ranges": ["5.36"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg Flex 50w Firmware", "ranges": ["de 4.25 à 5.36 (exclue)", "5.36"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg 20w-vpn Firmware", "ranges": ["5.36"], "first_unaffected": [], "source": "NVD"}, {"vendor": "Zyxel", "product": "vpn100 Firmware", "ranges": ["de 4.30 à 5.36 (exclue)"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "vpn50 Firmware", "ranges": ["de 4.30 à 5.36 (exclue)"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "vpn300 Firmware", "ranges": ["de 4.30 à 5.36 (exclue)"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "vpn1000 Firmware", "ranges": ["de 4.30 à 5.36 (exclue)"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "usg20-vpn Firmware", "ranges": ["de 4.30 à 5.36 (exclue)"], "first_unaffected": ["5.36"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg 40 Firmware", "ranges": ["de 4.25 à 4.73 (exclue)"], "first_unaffected": ["4.73"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg 40w Firmware", "ranges": ["de 4.25 à 4.73 (exclue)"], "first_unaffected": ["4.73"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg 60w Firmware", "ranges": ["de 4.25 à 4.73 (exclue)"], "first_unaffected": ["4.73"], "source": "NVD"}, {"vendor": "Zyxel", "product": "Usg 60 Firmware", "ranges": ["de 4.25 à 4.73 (exclue)"], "first_unaffected": ["4.73"], "source": "NVD"}, {"vendor": "Zyxel", "product": "ATP series firmware", "ranges": ["4.32 through 5.36 Patch 1"], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Zyxel", "product": "USG FLEX series firmware", "ranges": ["4.50 through 5.36 Patch 1"], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Zyxel", "product": "USG FLEX 50(W) firmware", "ranges": ["4.25 through 5.36 Patch 1"], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Zyxel", "product": "USG20(W)-VPN firmware", "ranges": ["4.25 through 5.36 Patch 1"], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Zyxel", "product": "VPN series firmware", "ranges": ["4.30 through 5.36 Patch 1"], "first_unaffected": [], "source": "CVE.org"}, {"vendor": "Zyxel", "product": "ZyWALL/USG series firmware", "ranges": ["4.25 through 4.73 Patch 1"], "first_unaffected": [], "source": "CVE.org"}], "notes_kev": ["https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls", "https://nvd.nist.gov/vuln/detail/CVE-2023-33010"]}, "consulted_at": "2026-10-07T05:55:52.072503+00:00"}