Fortinet Fixes Critical FortiSIEM Flaw Allowing Unauthenticated Remote Code Execution
- Posted on January 14, 2026
- By The Hacker News
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Fortinet Fixes Critical FortiSIEM Flaw Allowing Unauthenticated Remote Code Execution

Fortinet patches a critical FortiSIEM vulnerability (CVE-2025-64155) that allows unauthenticated remote code execution via exposed phMonitor service.