CVE-2025-13939

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.

Scoring

Severity
MEDIUM
CVSS base score
4.8
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
EPSS probability
0.20%
CWE
CWE-79, CWE-79
Published
2025-12-04
Last modified
2026-08-10

Affected products

Weakness type

Related vulnerabilities

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