ZDI-26-518: (Pwn2Own) Phoenix Contact CHARX SEC-3150 MQTT Service Server-Side Request Forgery Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to access internal resources on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.3. The following CVEs are assigned: CVE-2026-44091.