SB20251114107 - Unauthenticated path traversal in FortiWeb



SB20251114107 - Unauthenticated path traversal in FortiWeb

Published: November 14, 2025 Updated: April 10, 2026

Security Bulletin ID SB20251114107
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2025-64446)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: 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


The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and execute arbitrary commands on the system.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.