{"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-2026-112710","cwes":["CWE-122","CWE-131"],"description":"A heap-based buffer overflow vulnerability exists in the Fireware OS authentication service allows an attacker who controls or intercepts traffic to the configured Active Directory server to create a denial of service condition and potentially execute arbitrary code by returning a specially crafted response.","epss":{"date":"2026-11-04","percentile":0.36401,"score":0.00419},"exploits":[],"kev":null,"metrics":[{"score":9.2,"severity":"critical","source":"CNA: WatchGuard","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"}],"modifiedAt":1793823996741,"publishedAt":1793116348053,"references":[{"source":"CNA: WatchGuard","tags":["vendor-advisory"],"url":"https://psirt.watchguard.com/CVE-2026-112710"}],"remediation":[{"kind":"fix","source":"CNA: WatchGuard","text":"Fireware OS 2026.4, Fireware OS 12.12.4, Fireware OS 12.5.22"}],"revision":"920c8ec3d661ccd20508ba18ea7c5c83fe5b9c95a2ca72f4610b394016ceb963","sources":[{"modifiedAt":1793823996741,"name":"CNA: WatchGuard","retrievedAt":1793826582281,"url":"https://www.cve.org/CVERecord?id=CVE-2026-112710"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793826587359,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-112710"}],"ssvc":{"assessedAt":1793817959042,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Fireware OS Heap Buffer Overflow in AD Authentication Service Allows Pre-Authentication Remote Code Execution","updatedAt":1793826587359}