CVE-2026-3344 describes a vulnerability in WatchGuard Fireware OS that permits an attacker to bypass filesystem integrity checks during firmware updates, potentially achieving limited persistence. This medium-severity flaw (CVSS 4.9) impacts various Fireware OS versions, including 12.0 through 12.11.7, 12.5.9 through 12.5.16, and 2025.1 through 2026.1.1. Exploitation requires high privileges (PR:H) but has low attack complexity (AC:L), leading to high integrity impact (I:H) without affecting confidentiality or availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 12.0, < 12.11.8CPE matchmatch criteria | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* | ||
>= 12.5.9, < 12.5.17CPE matchmatch criteria | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* | ||
>= 2025.1, < 2026.1.2CPE matchmatch criteria | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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