SB2025111874 - Stack buffer overflow in FortiOS CAPWAP daemon
Published: November 18, 2025
Security Bulletin ID
SB2025111874
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2025-58413)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the in FortiOS CAPWAP daemon. A remote unauthenticated attacker on the local network can send specially crafted packets to the device, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Note that in the default configuration, the attacker must be in control
of an authorized FortiAP for the attack to succeed and have access to
the same local IP subnet.
Remediation
Install update from vendor's website.