SB20251014109 - Insecure DLL loading in Fortinet FortiClient for Windows
Published: October 14, 2025
Security Bulletin ID
SB20251014109
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Insecure DLL loading (CVE-ID: CVE-2025-57716)
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.