CVE-2025-62676 Path traversal in FortiClientWindows
Local low-privilege attackers can write arbitrary files with elevated permissions via crafted named pipe messages in FortiClient Windows.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-62676?
CVE-2025-62676 is a medium-severity path traversal vulnerability in Fortinet Forticlient, published on 10 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An Improper Link Resolution Before File Access ('Link Following') vulnerability [CWE-59] vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.4, FortiClientWindows 7.2.0 through 7.2.12, FortiClientWindows 7.0 all versions may allow a local low-privilege attacker to perform an arbitrary file write with elevated permissions via crafted named pipe messages.
Weakness: CWE-59
Which versions are affected by CVE-2025-62676?
It affects 1 product.
Products include Fortinet Forticlient.
How do I fix CVE-2025-62676?
No fix has been published for CVE-2025-62676 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-2025-62676 being exploited?
There is no known exploitation of CVE-2025-62676 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
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-8cg4-rqg8-pcg3.