RCE in Fortinet Fortiextender
CVE-2025-64153
A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiExtender 7.6.0 through 7.6.3, FortiExtender 7.4.0 through 7.4.7, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated attacker to execute unauthorized code or commands via a specific HTTP request.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (77.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Fortinet Fortiextender — versions 7.6.0, 7.4.0, 7.2.0
- Fortinet Fortiextender Firmware
Weakness classification (CWE)
References
- fortiguard.fortinet.com/psirt/FG-IR-25-739 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-64153?
- CVE-2025-64153 is a high-severity vulnerability in Fortinet Fortiextender, classified under OS Command Injection. CVSS score: 7.2/10. Published 2025-12-09.
- How severe is CVE-2025-64153?
- High severity. CVSS v3 base score is 7.2 out of 10.