SB2025111869 - Buffer overflow in FortiExtender
Published: November 18, 2025
Security Bulletin ID
SB2025111869
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2025-46776)
CWE-ID: CWE-120 - Buffer overflow
CVSSv4: 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/E:U/U:Clear
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.
Remediation
Install update from vendor's website.