Buffer overflow in FortiExtender - CVE-2025-46776
Published: November 18, 2025
Vulnerability identifier: #VU118600
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-46776
CWE-ID: CWE-120
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged user to execute arbitrary code.
The vulnerability exists due to buffer overflow. An authenticated user can execute arbitrary code or commands via crafted CLI commands.
Affected software
FortiExtender
How to mitigate CVE-2025-46776
Install update from vendor's website.
FortiExtender - addressed in versions 7.4.8, 7.6.3