CVE-2026-3344#
WatchGuard Firebox System Integrity Check Bypass
Summary #
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.
Product status #
| Product | Affected | Not affected |
|---|---|---|
| Fireware OS | ||
| Default | >= 2025.1, < 2026.1.2, >= 12.0, < 12.11.8 | >= 2026.1.2, >= 12.11.8 |
| T15/T35 | >= 12.0, < 12.5.17 | >= 12.5.17 |
Weakness Type and Impact #
Exploitation Status #
WatchGuard is not aware of any exploitation of this issue in the wild.
Solution #
Fireware OS 2026.1.2, Fireware OS 12.11.8, Fireware OS 12.5.17
References #
Credits #
- Discovered internally by WatchGuardfinder