An unauthenticated command injection vulnerability exists in WePresent WiPG-1000 firmware versions prior to 2.2.3.0, due to improper input handling in the undocumented /cgi-bin/rdfs.cgi endpoint. The Client parameter is not sanitized before being passed to a system call, allowing an unauthenticated remote attacker to execute arbitrary commands as the web server user.
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.