Vulnerability in Fortinet Fortios

CVE-2025-62439

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 authe…

EPSS: 0.001 (3.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-62439?
CVE-2025-62439 is a medium-severity vulnerability in Fortinet Fortios, classified under Improper Verification of Source of a Communication Channel. CVSS score: 4.2/10. Published 2026-02-10.
How severe is CVE-2025-62439?
Medium severity. CVSS v3 base score is 4.2 out of 10.