ZDI-26-517: (Pwn2Own) Phoenix Contact CHARX SEC-3150 BackendURL WebSocket Command Injection Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Phoenix Contact CHARX SEC-3150 devices. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The ZDI has assigned a CVSS rating of 6.8. The following CVEs are assigned: CVE-2026-44098.