SB2026021046 - Format String error in FortiOS CAPWAP fast-failover mode
Published: February 10, 2026
Security Bulletin ID
SB2026021046
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Format string error (CVE-ID: CVE-2025-64157)
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 update from vendor's website.