CVE-2025-25255

An Improperly Implemented Security Check for Standard vulnerability [CWE-358] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.11, FortiProxy 7.2 all versions, FortiProxy 7.0.1 through 7.0.22 may allow an unauthenticated proxy user to bypass the domain fronting protection feature via crafted HTTP requests.

Score

CVSS 3.1 5.3 Medium

Status

Modified - psirt@fortinet.com

Published

2025-10-14

Last modified

2026-10-18

Weaknesses

CWE-358

Affected products

• Fortios (Fortinet)
• Fortiproxy (Fortinet)

References

• https://fortiguard.fortinet.com/psirt/FG-IR-24-372