Heap-based buffer overflow in Fortinet, Inc products - CVE-2025-22258

Vulnerability identifier: #VU117143

CSH Severity: Low

CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-22258

CWE-ID: CWE-122

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote privileged user to damange or delete data.

The vulnerability exists due to heap-based buffer overflow in websocket. An authenticated attacker can execute arbitrary code or commands via specifically crafted requests.

FortiPAM
FortiSRA
FortiOS
FortiSwitch Manager
FortiProxy

Install update from vendor's website.

FortiPAM - addressed in versions 1.4.3, 1.5.1
FortiSRA - addressed in versions 1.4.3, 1.5.1
FortiOS - addressed in versions 7.0.17, 7.2.11, 7.4.7, 7.6.3
FortiSwitch Manager - update to 7.2.6
FortiProxy - addressed in versions 7.4.8, 7.6.2

• https://www.fortiguard.com/psirt/FG-IR-24-546

• Heap-based buffer overflow in Fortinet products