A security issue exists due to improper handling of malformed CIP packets during fuzzing. The controller enters a hard fault with solid red Fault LED and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF019. To recover, clear the fault.
The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.
This weakness can take several forms, such as: