Main Vulnerability Database Vulnerabilities #VU117136

Heap-based buffer overflow in Fortinet, Inc products - CVE-2025-57740

Published: October 14, 2025

Vulnerability identifier: #VU117136

CSH Severity: Medium

CVSS v4: 7.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-57740

CWE-ID: CWE-122

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote authenticated user to execute arbitrary code.

The vulnerability exists due to heap-based buffer overflow in SSL-VPN bookmarks. An authenticated user can execute unauthorized code via crafted requests.

Affected software

FortiPAM
FortiOS
FortiProxy

How to mitigate CVE-2025-57740

Install update from vendor's website.

FortiPAM - addressed in versions 1.4.3, 1.5.1
FortiOS - addressed in versions 7.2.11, 7.4.8, 7.6.3
FortiProxy - addressed in versions 7.4.4, 7.6.3

External References

https://www.fortiguard.com/psirt/FG-IR-25-756

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