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Unrated severityNVD Advisory· Published Dec 4, 2025· Updated Dec 5, 2025

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

CVE-2025-13939

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.

Affected products

2
  • WatchGuard/Firewarellm-fuzzy
    Range: 11.7.2 to 11.12.4+541730, 12.0 to 12.11.4, 12.5 to 12.5.13, 2025.1 to 2025.1.2
  • WatchGuard/Fireware OSv5
    Range: 11.7.2

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

News mentions

0

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