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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://fortiguard.fortinet.com/psirt/FG-IR-24-372	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

History

18 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad de comprobación de seguridad implementada incorrectamente para la vulnerabilidad estándar [CWE-358] en Fortinet FortiOS 7.6.0 hasta 7.6.3, FortiProxy 7.6.0 hasta 7.6.3, FortiProxy 7.4.0 hasta 7.4.11, FortiProxy 7.2 en todas las versiones, FortiProxy 7.0.1 hasta 7.0.22 puede permitir a un usuario de proxy no autenticado eludir la función de protección de 'domain fronting' a través de solicitudes HTTP manipuladas.

Information

Published : 2025-10-14 16:15

Updated : 2026-10-18 21:10

NVD link : CVE-2025-25255

Mitre link : CVE-2025-25255

CVE.ORG link : CVE-2025-25255

JSON object : View

Products Affected

fortinet

fortiproxy
fortios

CWE

CWE-358

Improperly Implemented Security Check for Standard

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