CVE-2026-3344Medium· 4.9▾ SunlitA 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.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 27 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 11.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
0.3% → 0.5%
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 >= 12.0, < 12.11.8fireware >= 12.5.9, < 12.5.17fireware >= 2025.1, < 2026.1.2Upgrade past the affected range:
fireware 2026.1.2Connected by shared product, vendor, weakness, or advisory.
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