# Exploit Title: TL-WR840N v5 00000005

# Date: 5/10/2019

# Exploit Author: purnendu ghosh

# Vendor Homepage: https://www.tp-link.com/

# Software Link: https://www.amazon.in/TP-LINK-TL-WR840N-300Mbps-Wireless-External/dp/B01A0G1J7Q

# Category: Hardware

# Firmware Version:0.9.1 3.16 v0001.0 Build 171211 Rel.58800n

# Hardware Version:TL-WR840N v5 00000005

# Tested on: Windows 10

# CVE :CVE-2019-12195.


# Proof Of Concept:

TP-Link TL-WR840N v5 00000005 devices allow XSS via the network name. The attacker must
log into the router by breaking the password and going to the admin
login page by THC-HYDRA to get the network name. With an XSS payload,
the network name changed automatically and the internet connection was
disconnected. All the users become disconnected from
the internet.

------------------------------------------

[Additional Information]
To ensure your network to be safe from Renaming and internet disconnection.

------------------------------------------

[Vulnerability Type]
Cross Site Scripting (XSS)

------------------------------------------

[Vendor of Product]
tp-link

------------------------------------------

[Affected Product Code Base]
router - TL-WR840N v5 00000005

------------------------------------------

[Affected Component]
Wi-Fi network configured through the router

------------------------------------------

[Attack Type]
Remote

------------------------------------------

[Impact Denial of Service]
true

------------------------------------------

[Impact Information Disclosure]
true

------------------------------------------

[Attack Vectors]
Logged in to the router by breaking the password and goes to the admin
login page by THC-HYDRA and got the network name. Using Burp Suite
professional version 1.7.32 captured the network name and selected XSS
payload against the name and started attacking .as a result the
network name changed automatically and internet connection was
disconnected in the network. All the users become disconnected from
internet.

------------------------------------------

[Discoverer]
purnendu ghosh

[Reference]
https://www.tp-link.com/us/security