{"id":"CVE-2026-113881","aliases":[],"title":"Fireware OS Stack Buffer Overflow in VPN Network Access Enforcement Allows Unprivileged Code Execution","titleSource":"WatchGuard","descriptionSource":"WatchGuard","products":[{"vendor":"WatchGuard","name":"Fireware OS","platforms":["Default"],"versions":[{"version":"2025.1","status":"affected","lessThan":"2026.4","versionType":"custom"},{"version":"12.9","status":"affected","lessThan":"12.12.4","versionType":"custom"}],"defaultStatus":"unaffected","source":"WatchGuard","url":"https://www.cve.org/CVERecord?id=CVE-2026-113881"}],"remediation":[{"text":"Fireware OS 2026.4, Fireware OS 12.12.4","source":"WatchGuard","url":"https://www.cve.org/CVERecord?id=CVE-2026-113881"}],"description":"A stack-based buffer overflow vulnerability in Fireware OS's VPN Network Access Enforcement process allows an authenticated mobile VPN user to create a denial of service condition and potentially execute arbitrary code as an unprivileged process by sending a specially crafted request.","severity":"medium","score":6.1,"published":"2026-10-27T15:52:28.229Z","modified":"2026-10-27T15:52:28.229Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://psirt.watchguard.com/CVE-2026-113881"],"sources":[{"name":"CVE","id":"CVE-2026-113881","modified":"2026-10-27T15:52:28.229Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-113881"}],"assessments":[{"source":"WatchGuard","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","score":6.1}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T12:05:31.274Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}