CVE-2025-57716 Path traversal in FortiClientWindows
A local low-privileged user can execute arbitrary code via DLL hijacking by placing a malicious DLL in the FortiClient Online Installer folder.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-57716?
CVE-2025-57716 is a medium-severity path traversal vulnerability in Fortinet Forticlient, published on 14 Oct 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-427
Which versions are affected by CVE-2025-57716?
It affects 1 product.
Products include Fortinet Forticlient.
How do I fix CVE-2025-57716?
No fix has been published for CVE-2025-57716 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-57716 being exploited?
There is no known exploitation of CVE-2025-57716 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Forticlient
- CVE-2019-17658 Privilege escalation in Fortinet FortiClientWindows
- CVE-2023-45590 Code injection in FortiClientLinux
- CVE-2017-14184 Information disclosure in FortiClient SSLVPN Client for Linux
- CVE-2016-8493 Privilege escalation in Fortinet FortiClient
- CVE-2020-15934 Privilege escalation in FortiClientLinux
Sources
Also known as GHSA-4gcf-xhrj-g4gq.