# CVE-2025-12026

## Summary

- **CVE ID:** CVE-2025-12026
- **Severity:** HIGH
- **CVSS Score:** 8.6 (CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-787, CWE-787
- **Published:** Dec 4, 2025
- **Last Modified:** Aug 10, 2026

## Description

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS’s certificate request command could allow an authenticated privileged user to execute arbitrary code via specially crafted CLI commands.This vulnerability affects Fireware OS 12.0 up to and including 12.11.4, 12.5 up to and including 12.5.13, and 2025.1 up to and including 2025.1.2.

## Affected Products

- WatchGuard — Fireware OS (12.0)
- WatchGuard — Fireware OS (12.5)
- WatchGuard — Fireware OS (2025.1)

## References

- [CNA](https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00017)
- [CNA](https://psirt.watchguard.com/CVE-2025-12026)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.44%
- **EPSS Percentile:** 37.6

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._