CVE-2025-25255 - CVE House
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Status published Medium CVE-2025-25255

An Improperly Implemented Security Check for Standard vulnerability [CWE-358] vulnerability...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

FortiOS, FortiProxy
Vulnerable Versions:
7.6.0, 7.4.0, 7.2.0, 7.0.1

Timeline

Official Publish: October 14th, 2025
Last Modified: January 14th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: 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

Weaknesses (CWE)

CWE-358

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.