HarborGuard / CVE
Back to search
HIGHCVE-2026-3342Published Modified CNA WatchGuard

CVE-2026-3342: WatchGuard Firebox Out of Bounds Write Vulnerability

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an authenticated privileged administrator to execute arbitrary code with root permissions via an exposed management interface. This vulnerability affects Fireware OS 11.9 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.7 and 2025.1 up to and including 2026.1.1.

Metrics

CVSS v4.0
8.6
Severity
HIGH
Fixed in
—
Affected Products
1
Affected packages
  • WatchGuard / Fireware OS
    ≤ 11.12.4+541730 · ≤ 12.11.7 · ≤ 12.5.16 · ≤ 2026.1.1
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:N
References