Stack-based buffer overflow in Fortinet, Inc products - CVE-2025-32756
Published: May 13, 2025 / Updated: June 13, 2025
Vulnerability identifier: #VU109101
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2025-32756
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Fortinet, Inc
Affected software:
FortiCamera
FortiMail
FortiNDR
FortiRecorder
FortiVoice
FortiCamera
FortiMail
FortiNDR
FortiRecorder
FortiVoice
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to stack-based buffer overflow in API. A remote unauthenticated attacker can execute arbitrary code or commands via crafted HTTP requests.
Note, this vulnerability is being actively exploited in the wild against FortiVoice instances.
How to mitigate CVE-2025-32756
Install update from vendor's website.