CVE-2025-22254: Fortinet FortiOS

High severity, CVSS 7.2. EPSS: 0.8% chance of exploitation in the next 30 days.

An Improper Privilege Management vulnerability [CWE-269] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.2.0 through 7.2.10, FortiOS 7.0.0 through 7.0.16, FortiOS 6.4.0 through 6.4.15, FortiProxy 7.6.0 through 7.6.1, FortiProxy 7.4.0 through 7.4.7, FortiWeb 7.6.0 through 7.6.1, FortiWeb 7.4.0 through 7.4.6 allows an authenticated attacker with at least read-only admin permissions to gain super-admin privileges via crafted requests to Node.js websocket module.

Affected products

• Fortinet FortiOS: from 6.4.0, before 6.4.16 (fixed in 6.4.16); from 7.0.0, before 7.0.17 (fixed in 7.0.17); from 7.2.0, before 7.2.11 (fixed in 7.2.11); from 7.4.0, before 7.4.7 (fixed in 7.4.7); from 7.6.0, before 7.6.2 (fixed in 7.6.2)
• Fortinet FortiProxy: from 7.4.0, before 7.4.8 (fixed in 7.4.8); from 7.6.0, before 7.6.2 (fixed in 7.6.2)
• Fortinet FortiWeb: from 7.4.0, before 7.4.7 (fixed in 7.4.7); from 7.6.0, before 7.6.2 (fixed in 7.6.2)

Published 2025-06-10. Last modified 2026-06-17.