{"affected":[{"defaultStatus":"unaffected","platforms":["Default"],"product":"Fireware OS","source":"CNA: WatchGuard","vendor":"WatchGuard","versions":[{"lessThan":"2026.4","status":"affected","version":"2025.1","versionType":"custom"},{"lessThan":"12.12.4","status":"affected","version":"12.0","versionType":"custom"}]},{"defaultStatus":"unaffected","platforms":["T15/T35"],"product":"Fireware OS","source":"CNA: WatchGuard","vendor":"WatchGuard","versions":[{"lessThan":"12.5.22","status":"affected","version":"12.0","versionType":"custom"}]}],"cveId":"CVE-2026-111107","cwes":["CWE-1286","CWE-248","CWE-476"],"description":"A NULL pointer dereference vulnerability in WatchGuard Fireware OS’s management interface allows a remote, unauthenticated attacker with network access to the management interface to crash the management service by sending a specially crafted login request. Repeated exploitation terminates all active administrator sessions and in-progress management operations and can prevent management of the device. Traffic processing is not affected.","epss":{"date":"2026-11-04","percentile":0.29411,"score":0.00355},"exploits":[],"kev":null,"metrics":[{"score":8.7,"severity":"high","source":"CNA: WatchGuard","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}],"modifiedAt":1793824035164,"publishedAt":1793116347690,"references":[{"source":"CNA: WatchGuard","tags":["vendor-advisory"],"url":"https://psirt.watchguard.com/CVE-2026-111107"}],"remediation":[{"kind":"fix","source":"CNA: WatchGuard","text":"Fireware OS 2026.4, Fireware OS 12.12.4, Fireware OS 12.5.22"}],"revision":"28598ba9c4f00eb614a16318538feca9522a03a12db71350ba889014c5185308","sources":[{"modifiedAt":1793824035164,"name":"CNA: WatchGuard","retrievedAt":1793826573252,"url":"https://www.cve.org/CVERecord?id=CVE-2026-111107"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793826588112,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111107"}],"ssvc":{"assessedAt":1793819433012,"automatable":"yes","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Fireware OS NULL Pointer Dereference in Management Interface Allows Unauthenticated Denial of Service","updatedAt":1793826588112}