CVE-2025-64446: Critical Fortinet FortiWeb Path Traversal Vulnerability Exploited to Create Administrative Accounts
On November 13, 2025, open source reporting began detailing active exploitation of a silently patched Fortinet FortiWeb vulnerability. The flaw is a path traversal issue in the FortiWeb web application firewall (WAF) that allows an unauthenticated threat actor to create new administrative users on exposed devices. The following day, November 14, Fortinet officially addressed the vulnerability in an advisory, tracking it as CVE‑2025‑64446.