Abstract: A communication device intended to be connected to a debugging port of a first microcontroller, the communication device including a second microcontroller connected to a first wireless communication unit and intended to be connected to said debugging port, the first wireless communication unit being capable of receiving a request over a wireless communication link transmitted by a user interface device, the second microcontroller being capable of authenticating the user interface device, of determining, in the case where the user interface device is authenticated, whether the request is authorized for said authenticated user interface device, and of transmitting the request to the debugging port only if the request is authorized.