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.

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 m…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.016 (72.9th percentile) — read the EPSS interpretation.

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.

Affected products

Fortinet Fortiextender — versions 7.6.0, 7.4.0, 7.2.0
Fortinet Fortiextender_firmware

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

psirt@fortinet.com (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.