A control device includes a control unit configured to transmit a login screen including an input section for an answer to a questionnaire to a mobile terminal that is not permitted to access a wireless access network, when a connection request is received from the mobile terminal, receive login information and an answer to the questionnaire input in the login screen, and issue an access permission to the mobile terminal for communication through the wireless access network when reception of the answer to the questionnaire and authentication of the mobile terminal based on the login information are complete.