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Fortinet CVE-2025-62439

MEDIUM
Improper Verification of Source of a Communication Channel (CWE-940)
2026-02-10 psirt@fortinet.com
4.2
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
4.2 MEDIUM
AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 10, 2026 - 16:16 nvd
MEDIUM 4.2

DescriptionCVE.org

An Improper Verification of Source of a Communication Channel vulnerability [CWE-940] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions may allow an authenticated user with knowledge of FSSO policy configurations to gain unauthorized access to protected network resources via crafted requests.

AnalysisAI

vulnerability in Fortinet FortiOS 7.6.0 versions up to 7.6.4 contains a vulnerability that allows attackers to an authenticated user with knowledge of FSSO policy configurations to gain unaut (CVSS 4.2).

Technical ContextAI

affects vulnerability in Fortinet FortiOS 7.6.0. An Improper Verification of Source of a Communication Channel vulnerability [CWE-940] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions may allow an authenticated user with knowledge of FSSO policy configurations to gain unauthorized access to protected network resources via crafted requests.

Affected ProductsAI

Product: vulnerability in Fortinet FortiOS 7.6.0. Versions: up to 7.6.4.

RemediationAI

Monitor vendor advisories for a patch.

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CVE-2025-62439 vulnerability details – vuln.today

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