(Pwn2Own) Synology RT6600ax dhcpd Command Injection Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology RT6600ax routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the dhcpd binary. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.