OS Command Injection in FortiExtender - CVE-2025-64153

 

OS Command Injection in FortiExtender - CVE-2025-64153

Published: December 9, 2025


Vulnerability identifier: #VU119444
CSH Severity: Low
CVSS v4: 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]
CVE-ID: CVE-2025-64153
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote privileged user to execute arbitrary code.

The vulnerability exists due to improper neutralization of special elements used in an os command ('os command injection') via API. An authenticated attacker can execute unauthorized code or commands via a specific HTTP request.


Affected software

FortiExtender

How to mitigate CVE-2025-64153

Install update from vendor's website.

FortiExtender - addressed in versions 7.4.8, 7.6.4

External References

Related Security Bulletins