CVE-2025-64153: Fortinet Fortiextender Firmware

High severity, CVSS 7.2. EPSS: 1.7% chance of exploitation in the next 30 days.

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.

Affected products

• Fortinet Fortiextender Firmware: from 7.0.0, up to and including 7.0.4; from 7.2.0, up to and including 7.2.5; from 7.4.0, up to and including 7.4.7; from 7.6.0, up to and including 7.6.3

Published 2025-12-09. Last modified 2026-06-17.