{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "incident": { "id": "cve-2026-76418", "url": "https://cveboard.org/i/cve-2026-76418", "urlPt": "https://cveboard.org/pt/i/cve-2026-76418", "json": "https://cveboard.org/i/cve-2026-76418.json", "kind": "vuln", "live": true, "knownExploited": true, "severity": "high", "title": "Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability", "summary": "Cisco Secure Firewall ASA Software and Cisco Secure FTD Software contains an unchecked return value to NULL pointer dereference vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.", "titlePt": "Vulnerabilidade de desreferenciamento de ponteiro nulo devido a um valor de retorno não verificado no Cisco Secure Firewall ASA Software e no Cisco Secure FTD Software", "summaryPt": "O Cisco Secure Firewall ASA Software e o Cisco Secure FTD Software contêm uma vulnerabilidade de desreferenciamento de ponteiro nulo devido a um valor de retorno não verificado que poderia permitir que um atacante remoto não autenticado fizesse com que o dispositivo fosse recarregado inesperadamente, resultando em uma condição de negação de serviço (DoS).", "affected": [ { "vendor": "Cisco", "product": "Cisco Secure Firewall Adaptive Security Appliance (ASA) Software", "defaultStatus": "unknown", "versions": [ { "version": "9.16.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.1.28", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.2", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.2.3", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.2.7", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.2.11", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.2.13", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.2.14", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.3.3", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.3", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.3.14", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.18.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.3.15", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.18.1.3", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.18.2", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.3.19", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.3.23", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.18.2.5", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.4", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.18.2.7", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.19.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.4.9", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.18.2.8", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.4.14", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.18.3", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.19.1.5", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.4.18", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.19.1.9", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.18.3.39", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "9.16.4.19", "status": "affected", "lessThan": null, "lessThanOrEqual": null } ], "omitted": 112, "fixed": [] }, { "vendor": "Cisco", "product": "Cisco Secure Firewall Threat Defense (FTD) Software", "defaultStatus": "unknown", "versions": [ { "version": "7.0.0", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.0.0.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.0.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.0.1.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.0.2", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.2.0", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.0.2.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.0.3", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.2.0.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.0.4", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.2.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.0.5", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.3.0", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.2.2", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.2.3", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.3.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.2.4", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.0.6", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.2.5", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.2.4.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.3.1.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.4.0", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.0.6.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.2.5.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.4.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.2.6", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.0.6.2", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.4.1.1", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.2.7", "status": "affected", "lessThan": null, "lessThanOrEqual": null }, { "version": "7.2.5.2", "status": "affected", "lessThan": null, "lessThanOrEqual": null } ], "omitted": 37, "fixed": [] } ], "omitted": 149, "references": [], "cwes": [ { "id": "CWE-690", "name": "Unchecked Return Value to NULL Pointer Dereference" } ], "ssvc": { "exploitation": "active", "automatable": "yes", "impact": "partial", "at": "2026-10-29T19:50:11.066Z" }, "fix": "none", "tags": [ "cisco" ], "description": "A vulnerability in the Remote Access SSL VPN service of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to logic errors when secondary authentication is configured on a tunnel group. An attacker could exploit this vulnerability by sending a crafted request when connecting to the SSL remote access VPN. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.", "descriptionFrom": "cve", "descriptionAt": null, "summaryFrom": "kev", "cves": [ "CVE-2026-76418" ], "ghsa": null, "cvss": { "score": 8.6, "version": "3.1", "by": "cisco" }, "epss": { "percentage": 0.00574, "percentile": 0.47308, "asOf": "2026-10-29", "by": "FIRST" }, "packages": [], "vendor": "Cisco", "product": "Secure Firewall ASA Software and Cisco Secure FTD Software", "kev": { "dateAdded": "2026-10-29", "dueDate": "2026-11-01", "requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable.", "ransomware": false }, "breach": null, "retracted": false, "sources": [ { "label": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-76418" } ], "cveVersion": 1, "cvePending": false, "publishedAt": "2026-10-29T00:00:00.000Z", "updatedAt": "2026-10-29T00:00:00.000Z" }, "live": true, "events": [ { "id": "kev:CVE-2026-76418:kev_added:2026-10-29T00:00:00.000Z", "incidentId": "cve-2026-76418", "type": "kev_added", "at": "2026-10-29T00:00:00.000Z", "detail": { "dueDate": "2026-11-01", "ransomware": false } } ] }