Rockwell Automation Recommends Upgrading From 1756-RM2 XT To 1756-RM3 XT

Multiple denial-of-service vulnerabilities exist in the affected product. These issues can be triggered through various crafted inputs, including malformed Class 3 messages, memory leak conditions, and other resource exhaustion scenarios. Exploitation may cause the device to become unresponsive and, in some cases, result in a major nonrecoverable fault. Recovery may require a restart.