Is CVE-2025-64157 being actively exploited?

CVE-2025-64157 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2025-64157?

CVE-2025-64157 has a CVSS 3.1 base score of 6.7 (MEDIUM).

CVE-2025-64157

MEDIUM · CVSS 6.7EPSS 1.5%EU EUVD

A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0 all versions allows an authenticated admin to execute unauthorized code or commands via specifically crafted configuration.

Key facts

CVSS score: 6.7 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-134
EPSS score: 1.5% (74th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2025-207129)
Published: February 10, 2026
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2025-207129 in the EU Vulnerability Database. Last updated in EUVD on May 12, 2026.

View on the EU Vulnerability Database

Affected products

fortinet / fortios

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Fortinet, Inc. FortiOS 7.0.7 - Fortinet, Inc. - Common Criteria NSCIB-CC-0590233-CR - active

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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