#VU118599 Out-of-bounds write in FortiADC - CVE-2025-48839

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Main Vulnerability Database Vulnerabilities #VU118599

#VU118599 Out-of-bounds write in FortiADC - CVE-2025-48839

Published: November 18, 2025


Vulnerability identifier: #VU118599
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-48839
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
FortiADC
Software vendor:
Fortinet, Inc

Description

The vulnerability allows a remote privileged user to execute arbitrary code.

The vulnerability exists due to out-of-bounds write in multiple endpoints. An authenticated attacker can execute arbitrary code via specially crafted HTTP requests.


Remediation

Install update from vendor's website.

External links