CVE-2026-3344
A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity check and maintain limited persistence via a maliciously-crafted firmware update package.This issue affects Fireware OS 12.0 up to and including 12.11.7, 12.5.9 up to and including 12.5.16, and 2025.1 up to and including 2026.1.1.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 6.9
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
- EPSS probability
- 0.28%
- CWE
- CWE-440, CWE-440
- Published
- 2026-03-03
- Last modified
- 2026-08-10
Affected products
- WatchGuard Fireware OS
- WatchGuard Fireware OS
- WatchGuard Fireware OS
Weakness type
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