FortiClient DLL Hijack via Uncontrolled Search Path v7.0-7.4.3
CVE-2025-57716 Published on October 14, 2025
An Uncontrolled Search Path Element vulnerability [CWE-427] in FortiClient Windows 7.4.0 through 7.4.3, 7.2.0 through 7.2.11, 7.0 all versions may allow a local low privileged user to perform a DLL hijacking attack via placing a malicious DLL to the FortiClient Online Installer installation folder.
Vulnerability Analysis
CVE-2025-57716 is exploitable with local system access, requires user interaction and a small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a DLL preloading Vulnerability?
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.
CVE-2025-57716 has been classified to as a DLL preloading vulnerability or weakness.
Products Associated with CVE-2025-57716
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Affected Versions
Fortinet FortiClientWindows:- Version 7.4.0, <= 7.4.3 is affected.
- Version 7.2.0, <= 7.2.11 is affected.
- Version 7.0.0, <= 7.0.14 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.