CVE-2025-62439

Severity: medium (CVSS 4.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-10 · updated 2026-06-17
Weakness: CWE-940

Description

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 products

Fortinet FortiOS (FortiGate): from 7.6.0 through 7.6.4; from 7.4.0 through 7.4.9; from 7.2.0 through 7.2.13; from 7.0.0 through 7.0.19

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-384
https://cert-portal.siemens.com/productcert/html/ssa-975644.html

Get alerted when CVE-2025-62439 or the next vulnerability affects your stack