#VU122537 Format string error in FortiOS - CVE-2025-64157

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Main Vulnerability Database Vulnerabilities #VU122537

#VU122537 Format string error in FortiOS - CVE-2025-64157

Published: February 10, 2026


Vulnerability identifier: #VU122537
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-64157
CWE-ID: CWE-134
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
FortiOS
Software vendor:
Fortinet, Inc

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to a format string error in CAPWAP fast-failover mode. A remote privileged user can supply a specially crafted configuration via CLI and execute arbitrary code on the target system.



Remediation

Install updates from vendor's website.

External links