# CVE-2026-3344

## Summary

- **CVE ID:** CVE-2026-3344
- **Severity:** MEDIUM
- **CVSS Score:** 6.9 (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)
- **CWE:** CWE-440, CWE-440
- **Published:** Mar 3, 2026
- **Last Modified:** Aug 10, 2026

## Description

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.This issue affects Fireware OS 12.0 up to and including 12.11.7, 12.5.9 up to and including 12.5.16, and 2025.1 up to and including 2026.1.1.

## Affected Products

- WatchGuard — Fireware OS (12.0)
- WatchGuard — Fireware OS (12.5.9)
- WatchGuard — Fireware OS (2025.1)

## References

- [CNA](https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00005)
- [CNA](https://psirt.watchguard.com/CVE-2026-3344)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.28%
- **EPSS Percentile:** 19.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._