CVE-2025-64157

Name: CVE-2025-64157
Creator: NVD / NIST
Published: 2026-02-10T16:16:09.443+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.36%

Last modified Jun 17, 2026

CVE-2025-64157 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 1.36% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

1.36%

68.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-134

Affected Software

Vendor	Product	Versions
Fortinet	Fortios	>= 7.0.0, < 7.4.10
Fortinet	Fortios	>= 7.6.0, < 7.6.5

References

Timeline

Published: Feb 10, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-64157?

How severe is CVE-2025-64157?

CVE-2025-64157 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.

How do I fix CVE-2025-64157?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-64157?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST