A method of controlling a home network device by using a universal web application. In the method, the universal web application may receive control information, for controlling the home network device, from a server. A control command, which is issued to control the home network device, may be sent to a control point module by using a script application program interface (API) that is included in the received control information. Accordingly, result data that is obtained by executing the control command on the home network device may be received by the control point module.