9.8
CRITICAL
CVE-2021-41653
"TP-Link TL-WR840N Remote Code Execution"
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 crafted payload in an IP address input field.

INFO

Published Date :

Nov. 13, 2021, 3:15 p.m.

Last Modified :

Nov. 17, 2021, 2:41 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-41653 has a 7 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-41653 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tp-link tl-wr840n_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-41653.

URL Resource
http://tp-link.com Vendor Advisory
https://k4m1ll0.com/cve-2021-41653.html Exploit Third Party Advisory
https://www.tp-link.com/us/press/security-advisory/ Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypass oa-getshell cve-cms

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 1 month, 2 weeks ago
4 stars 0 fork 0 watcher
Born at : Feb. 7, 2024, 2:08 p.m. This repo has been linked 305 different CVEs too.

None

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 2 months ago
6 stars 3 fork 3 watcher
Born at : Nov. 25, 2022, 2:30 a.m. This repo has been linked 270 different CVEs too.

None

Updated: 2 months, 3 weeks ago
8 stars 1 fork 1 watcher
Born at : June 21, 2022, 7:45 a.m. This repo has been linked 943 different CVEs too.

None

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 4 months, 4 weeks ago
11 stars 10 fork 10 watcher
Born at : Jan. 27, 2022, 9:53 a.m. This repo has been linked 193 different CVEs too.

TP-Link TL-WR840N EU v5 Remote Code Execution

Python

Updated: 10 months ago
0 stars 5 fork 5 watcher
Born at : Nov. 29, 2021, 6:39 a.m. This repo has been linked 1 different CVEs too.

essential templates for kenzer [DEPRECATED]

kenzer vulnerabilities kenzer-templates arpsyndicate

Python Shell Ruby

Updated: 1 month, 1 week ago
106 stars 32 fork 32 watcher
Born at : Sept. 18, 2020, 9:03 p.m. This repo has been linked 1653 different CVEs too.

渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypass oa-getshell cve-cms

penetration-testing poc getshell csrf penetration-testing-poc csrf-webshell cve rce sql-poc poc-exp bypass oa-getshell cve-cms php-bypass thinkphp sql-getshell authentication-bypass cobalt-strike exploit

Python Ruby Makefile C C++ Shell HTML Java Assembly PHP

Updated: 1 week, 5 days ago
6495 stars 1823 fork 1823 watcher
Born at : July 24, 2019, 3:37 a.m. This repo has been linked 328 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-41653 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-41653 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Nov. 17, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://tp-link.com No Types Assigned http://tp-link.com Vendor Advisory
    Changed Reference Type https://k4m1ll0.com/cve-2021-41653.html No Types Assigned https://k4m1ll0.com/cve-2021-41653.html Exploit, Third Party Advisory
    Changed Reference Type https://www.tp-link.com/us/press/security-advisory/ No Types Assigned https://www.tp-link.com/us/press/security-advisory/ Vendor Advisory
    Added CWE NIST CWE-94
    Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-wr840n_firmware:*:*:*:*:*:*:*:* versions up to (including) tl-wr840n\(eu\)_v5_171211 OR cpe:2.3:h:tp-link:tl-wr840n:v5:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-41653 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-41653 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

94.72 }} -0.30%

score

0.99294

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability