ZDI-26-510: (Pwn2Own) Phoenix Contact CHARX SEC-3150 Missing Cryptographic Signature Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to bypass firmware validation 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 7.5. The following CVEs are assigned: CVE-2026-44104.