CVE-2025-54822: Fortinet FortiOS

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

An improper authorization vulnerability [CWE-285] vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.8, FortiOS 7.0.0 through 7.0.11, FortiProxy 7.4.0 through 7.4.8, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions, FortiProxy 2.0 all versions allows an authenticated attacker to access static files of others VDOMs via crafted HTTP or HTTPS requests.

Affected products

• Fortinet FortiOS: from 7.0.0, before 7.2.9 (fixed in 7.2.9); from 7.4.0, before 7.4.2 (fixed in 7.4.2)
• Fortinet FortiProxy: from 2.0.0, before 7.4.9 (fixed in 7.4.9)

Published 2025-10-14. Last modified 2026-06-17.