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CVE-2025-25255

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CVE-2025-25255

Published: Oct 14, 2025

Modified: Jan 14, 2026

PUBLISHED

CVSS v3.1

4.8

MEDIUM

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.

VendorProductVersions

Fortinet

FortiOS

affected
7.6.0 - <= 7.6.3

Fortinet

FortiProxy

affected
7.6.0 - <= 7.6.3
affected
7.4.0 - <= 7.4.11
affected
7.2.0 - <= 7.2.15
affected
7.0.1 - <= 7.0.22

Weaknesses (CWE)

CWE-358

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

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