Fortinet Product Security Team discovered a security vulnerability impacting FortiOS and FortiSwitchManager. Tracked as CVE-2025-25249, the vulnerability is a high-severity issue with a CVSS score of 7.3. The heap-based buffer overflow vulnerability exists in FortiOS and FortiSwitchManager cw_acd daemon. The vulnerability may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests.