PCAN-Ethernet Gateway FD before 1.3.0 and PCAN-Ethernet Gateway before 2.11.0 are vulnerable to Command injection via shell metacharacters in a Software Update to processing.php.
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.