Medium [CVE-2026-3344] WatchGuard Firebox System Integrity Check Bypass
This medium-severity WatchGuard advisory covers CVE-2026-3344 affecting Fireware OS.
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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.
- Fireware OS 2025.1 before 2026.1.2
- Fireware OS 12.0 before 12.11.8
- Fireware OS 12.0 before 12.5.17
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- 2026.1.2
- 12.11.8
- 12.5.17
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- 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.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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