HIGHCVE-2026-13053Published Modified CNA WatchGuard
CVE-2026-13053: WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command Handler
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command. 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
- 8.6
- 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:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NReferences