CVE-2025-13939 - CVE House
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Status published Medium CVE-2025-13939

WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Gateway Wireless Controller

Vulnerability Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Gateway Wireless Controller module) allows Stored XSS.This issue affects Fireware OS 11.7.2 up to and including 11.12.4+541730, 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Simone Paganessi (https://www.linkedin.com/in/simonepaganessi)

Affected Vendor

Affected Software

Fireware OS
Vulnerable Versions:
11.7.2, 12.0, 12.5, 2025.1

Timeline

Official Publish: December 4th, 2025
Last Modified: December 5th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)