HIGHCVE-2026-8247Published Modified CNA WatchGuard
CVE-2026-8247: WatchGuard Firebox admd Out of Bounds Write Vulnerability
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker on the same local network segment to execute arbitrary code. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.
Metrics
- CVSS v4.0
- 7.7
- Severity
- HIGH
- Fixed in
- —
- Affected Products
- 1
Affected packages
- WatchGuard / Fireware OS≤ 11.12.4+541730 · ≤ 12.12 · ≤ 12.5.18 · ≤ 2026.2
CVSS Vector
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NReferences