CVE-2021-27246
TP-Link Archer A7 Router Arbitrary Code Execution ( Authentication Bypass)
Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer A7 AC1750 1.0.15 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of MAC addresses by the tdpServer endpoint. A crafted TCP message can write stack pointers to the stack. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-12306.
INFO
Published Date :
April 14, 2021, 4:15 p.m.
Last Modified :
April 22, 2021, 5:45 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
2.1
Public PoC/Exploit Available at Github
CVE-2021-27246 has a 13 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-27246.
| URL | Resource |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-21-215/ | Third Party Advisory VDB Entry |
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).
All CVE - PoC in GitHub
poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate
None
None
CSS HTML JavaScript
A Common Vulnerability PoC Knowledge Base一个普遍漏洞POC知识库
vulnerability
None
None
None
None
一个漏洞POC知识库 目前数量 1000+
poc
None
None
None
Shell Python
Some Vulnerability in the some protocol are collected.
vulnerabilities protocol security
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-27246 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-27246 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.
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CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 22, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:A/AC:M/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-21-215/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-21-215/ Third Party Advisory, VDB Entry Added CPE Configuration AND OR *cpe:2.3:o:tp-link:ac1750_firmware:1.0.15:*:*:*:*:*:*:* OR cpe:2.3:h:tp-link:ac1750:a7:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-27246 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-2021-27246
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.13 }} -0.02%
score
0.47194
percentile