Hetronic Nova-M Replay Attack Vulnerability

Hetronic Nova-M Replay Attack Vulnerability allows remote attackers to issue commands on vulnerable installations of Hetronic equipment. Authentication is not required to exploit this vulnerability. The specific flaw exists with the communication between the transmitter and receiver pair. By using a fixed control code an attacker can obtain and replay commands to the receiver. An attacker can leverage this vulnerability to issue commands to the physical equipment controlled by the device.