Advisory Details

May 13th, 2025

Fortinet FortiWeb cgi_httpcontentrouting_post Directory Traversal Remote Code Execution Vulnerability

ZDI-25-288
ZDI-CAN-25181

CVE ID CVE-2025-25254
CVSS SCORE 7.2, AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Fortinet
AFFECTED PRODUCTS FortiWeb
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fortinet FortiWeb. Authentication is required to exploit this vulnerability.

The specific flaw exists within the cgi_httpcontentrouting_post function. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of root.
ADDITIONAL DETAILS Fortinet has issued an update to correct this vulnerability. More details can be found at:
https://fortiguard.com/psirt/FG-IR-24-474
DISCLOSURE TIMELINE
  • 2024-11-05 - Vulnerability reported to vendor
  • 2025-05-13 - Coordinated public release of advisory
  • 2025-05-13 - Advisory Updated
CREDIT Kentaro Kawane of GMO Cybersecurity by Ierae
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