Provided is a communication device capable of minimizing effects on a continuously operated service after control software is updated. In a communication device (10), a control unit (11) stores information about the communication device (10) in a storage unit (12) before control software is updated. The control unit (11) compares, after updating the control software, information about the communication device (10) stored in the storage unit (12) with information about the communication device (10) obtained after updating the control software, and performs predetermined processing based on a result of the comparison.