Is CVE-2025-67604 in the CISA KEV catalog?

No. CVE-2025-67604 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-67604?

CVE-2025-67604 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2025-67604?

CVE-2025-67604 has an EPSS score of 0.42% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-67604?

Upgrade fortianalyzer to 7.6.5 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2025-67604

MEDIUM

5.3

CVSS v3

NVD

Description

A use of potentially dangerous function vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.4, FortiAnalyzer 7.4.0 through 7.4.8, FortiAnalyzer 7.2 all versions, FortiAnalyzer 7.0 all versions, FortiAnalyzer 6.4 all versions, FortiManager 7.6.0 through 7.6.4, FortiManager 7.4.0 through 7.4.8, FortiManager 7.2 all versions, FortiManager 7.0 all versions, FortiManager 6.4 all versions may allow an authenticated attacker to cause a system hang via multiple specially crafted HTTP requests causing crashes. This happens if internal locks are aligned, which is out of control of the attacker.

CWE-676

How to fix

Remediation Available

fortianalyzerNVD

Affected:>= 7.6.0, < 7.6.5Fixed in:7.6.5CVE-2025-67604derived from NVD

fortimanagerNVD

Affected:>= 7.6.0, < 7.6.5Fixed in:7.6.5CVE-2025-67604derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.42%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Vendor Advisory1

fortiguard.fortinet.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-15.