{"schema":"threatline.record/2","record":{"id":"CVE-2026-112709","aliases":[],"summary":"Fireware OS Heap Buffer Overflow in AD Authentication Service Allows Pre-Authentication Remote Code Execution","details":"A heap-based buffer overflow vulnerability 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.","categories":["Network & edge"],"product":"Fireware OS","vendor":"WatchGuard","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112709","source_modified_at":"2026-10-27T15:52:28.465Z","fetched_at":"2026-10-27T16:27:21.584480Z","product":"Fireware OS","vendor":"WatchGuard","versions":[{"status":"affected","version":"2025.1","versionType":"custom","lessThan":"2026.4"},{"status":"affected","version":"12.0","versionType":"custom","lessThan":"12.12.4"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112709","source_modified_at":"2026-10-27T15:52:28.465Z","fetched_at":"2026-10-27T16:27:21.584480Z","product":"Fireware OS","vendor":"WatchGuard","versions":[{"status":"affected","version":"12.0","versionType":"custom","lessThan":"12.5.22"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112709","source_modified_at":"2026-10-27T15:52:28.465Z","fetched_at":"2026-10-27T16:27:21.584480Z","package":{"name":"Fireware OS","ecosystem":null},"version":"2026.4","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112709","source_modified_at":"2026-10-27T15:52:28.465Z","fetched_at":"2026-10-27T16:27:21.584480Z","package":{"name":"Fireware OS","ecosystem":null},"version":"12.12.4","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112709","source_modified_at":"2026-10-27T15:52:28.465Z","fetched_at":"2026-10-27T16:27:21.584480Z","package":{"name":"Fireware OS","ecosystem":null},"version":"12.5.22","basis":"first unaffected version stated in the CVE record"}],"cvss":9.2,"severity":"Critical","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-27T15:52:28.465Z","modified_at":"2026-10-27T15:52:28.465Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-112709","fetched_at":"2026-10-27T16:27:21.584480Z","source_modified_at":"2026-10-27T15:52:28.465Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://psirt.watchguard.com/CVE-2026-112709","tags":["vendor-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-27T15:52:28.465Z","content_hash":"466ff5b67e1b67e81cedb9a55031cf8efb2b1a1cabf9aa4385199a73e20c42ae"}}