FortiOS
CVE-2025-24471: Improper Certificate Validation in FortiOS
An Improper Certificate Validation vulnerability [CWE-295] in FortiOS version 7.6.1 and below, version 7.4.7 and below may allow an EAP verified remote user to connect from FortiClient via revoked certificate.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 6
EPSS0.38%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiOS 7.6.0 to 7.6.1 | 7.6.2 or later |
| FortiOS 7.4.0 to 7.4.7 | 7.4.8 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
An Improper Certificate Validation vulnerability [CWE-295] in FortiOS version 7.6.1 and below, version 7.4.7 and below may allow an EAP verified remote user to connect from FortiClient via revoked certificate.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.