CVE-2025-64157
Analyzed Analyzed - Analysis Complete

Format String Vulnerability in Fortinet FortiOS Enables Code Execution

Publication date: 2026-02-10

Last updated on: 2026-02-12

Assigner: Fortinet, Inc.

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-02-10
Last Modified
2026-02-12
Generated
2026-07-06
AI Q&A
2026-02-10
EPSS Evaluated
2026-07-05
NVD
CVE-2025-64157
EUVD
EUVD-2025-207129

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
fortinet fortios From 7.0.0 (inc) to 7.4.10 (exc)
fortinet fortios From 7.6.0 (inc) to 7.6.5 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-134 The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a use of externally-controlled format string issue found in Fortinet FortiOS versions 7.6.0 through 7.6.4, 7.4.0 through 7.4.9, 7.2.0 through 7.2.11, and all versions of 7.0. It allows an authenticated administrator to execute unauthorized code or commands by using a specially crafted configuration.

Impact Analysis

The impact of this vulnerability is that an authenticated admin could execute unauthorized code or commands on the affected FortiOS device. This could lead to a complete compromise of the system, including unauthorized access, data manipulation, or disruption of services.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-64157. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart