CVE-2025-25255

State: Published
Severity: 4.8 Medium
Published: Oct 14, 2025
Updated: Jan 14, 2026
Reserved: Feb 5, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.8 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C	fortinet
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	CISA-ADP

Weaknesses

CWE-358 Improper access control

Affected Products

Product	Versions
FortiOSFortinet	7.6.0 through 7.6.3Affected
FortiProxyFortinet	7.6.0 through 7.6.3Affected 7.4.0 through 7.4.11Affected 7.2.0 through 7.2.15Affected 7.0.1 through 7.0.22Affected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.