CVE-2026-3344A 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.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.9 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
- Weakness (CWE)
- CWE-440
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Aug 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
watchguard fireware watchguard:fireware | from 12.0 before 12.11.8; from 12.5.9 before 12.5.17; from 2025.1 before 2026.1.2 | NVD |
References
- https://psirt.watchguard.com/CVE-2026-3344
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00005vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.