9.3
HIGH CVSS 2.0
CVE-2021-29302
TP-Link TP-WR802N/Archer C50 Remote Code Execution Buffer Overflow
Description

TP-Link TL-WR802N(US), Archer_C50v5_US v4_200 <= 2020.06 contains a buffer overflow vulnerability in the httpd process in the body message. The attack vector is: The attacker can get shell of the router by sending a message through the network, which may lead to remote code execution.

INFO

Published Date :

April 12, 2021, 7:15 p.m.

Last Modified :

Nov. 21, 2024, 6 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2021-29302 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-wr802n_firmware
2 Tp-link tl-wr802n
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
Public PoC/Exploit Available at Github

CVE-2021-29302 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-29302 is associated with the following CWEs:

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).

None

Updated: 3 weeks ago
44 stars 7 fork 7 watcher
Born at : July 30, 2025, 2:58 p.m. This repo has been linked 117 different CVEs too.

None

Updated: 1 month ago
85 stars 19 fork 19 watcher
Born at : Oct. 13, 2021, 4:56 a.m. This repo has been linked 175 different CVEs too.

Some Awesome and Simple CVE

C

Updated: 10 months, 2 weeks ago
11 stars 2 fork 2 watcher
Born at : April 9, 2021, 1:57 p.m. This repo has been linked 23 different CVEs too.

Simulate firmware with one click of firmadyne (使用 firmadyne 一键模拟固件)

simulator security-tool firmware

Python Ruby Shell Makefile C Dockerfile

Updated: 1 month, 1 week ago
357 stars 34 fork 34 watcher
Born at : April 14, 2020, 11:45 a.m. This repo has been linked 4 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-2021-29302 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-29302 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-29302
    Added Reference https://static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot%5B210317-rel64474%5D.zip
    Added Reference https://www.tp-link.com/us/support/download/tl-wr802n/#Firmware
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot%5B210317-rel64474%5D.zip [No types assigned]
    Removed Reference MITRE https://static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot[210317-rel64474].zip
  • Initial Analysis by [email protected]

    Apr. 21, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-29302 No Types Assigned https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-29302 Exploit, Third Party Advisory
    Changed Reference Type https://static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot[210317-rel64474].zip Broken Link https://static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot[210317-rel64474].zip Vendor Advisory
    Changed Reference Type https://www.tp-link.com/us/support/download/tl-wr802n/#Firmware No Types Assigned https://www.tp-link.com/us/support/download/tl-wr802n/#Firmware Vendor Advisory
    Added CWE NIST CWE-120
    Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-wr802n_firmware:*:*:*:*:*:*:*:* versions up to (including) 2020.06 OR cpe:2.3:h:tp-link:tl-wr802n:v4:*:*:*:*:*:*:*
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.
Vulnerability Scoring Details
Base CVSS Score: 8.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 9.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

10.97 }} -7.17%

score

0.92780

percentile