OS Command Injection in FortiExtender - CVE-2025-64153
Published: December 9, 2025
Vulnerability identifier: #VU119444
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2025-64153
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiExtender
FortiExtender
Detailed vulnerability description
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.
How to mitigate CVE-2025-64153
Install update from vendor's website.