Stored cross-site scripting in Fireware OS - CVE-2025-13939
Published: December 8, 2025
Vulnerability identifier: #VU119382
CSH Severity: Low
CVSS v4: 4.8 [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]
CVE-ID: CVE-2025-13939
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Affected software
Fireware OS
How to mitigate CVE-2025-13939
Install updates from vendor's website.
Fireware OS - addressed in versions 12.5.14, 12.11.5, 2025.1.3