#VU117138 Insecure DLL loading in Fortinet FortiClient for Windows - CVE-2025-57716

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Main Vulnerability Database Vulnerabilities #VU117138

#VU117138 Insecure DLL loading in Fortinet FortiClient for Windows - CVE-2025-57716

Published: October 14, 2025


Vulnerability identifier: #VU117138
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-57716
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Fortinet FortiClient for Windows
Software vendor:
Fortinet, Inc

Description

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

The vulnerability exists due to uncontrolled search path element in online installer. A local low privileged user can perform a DLL hijacking attack via placing a malicious DLL to the FortiClient Online Installer installation folder.


Remediation

Install update from vendor's website.

External links