CVE-2021-29302 : Vulnerability Insights and Analysis

A buffer overflow vulnerability in TP-Link TL-WR802N(US) and Archer_C50v5_US routers allows remote attackers to execute arbitrary code.

Understanding CVE-2021-29302

This CVE discloses a critical buffer overflow issue in specific TP-Link routers, potentially leading to remote code execution.

What is CVE-2021-29302?

CVE-2021-29302 exposes a vulnerability in TP-Link routers that allows attackers to gain control over the router by sending a malicious message over the network.

The Impact of CVE-2021-29302

The impact of this vulnerability is severe since it enables attackers to achieve remote code execution on the affected routers.

Technical Details of CVE-2021-29302

The technical details involve a buffer overflow vulnerability in the httpd process of TP-Link routers, granting attackers the ability to take control of the device.

Vulnerability Description

TP-Link TL-WR802N(US) and Archer_C50v5_US routers with firmware versions v4_200 and below are susceptible to a buffer overflow flaw.

Affected Systems and Versions

TP-Link TL-WR802N(US) routers with firmware version 2020.06 and earlier are impacted by this vulnerability.

Exploitation Mechanism

By sending a crafted message through the network, attackers can exploit this vulnerability and potentially execute arbitrary code.

Mitigation and Prevention

To safeguard systems from CVE-2021-29302, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Update to the latest firmware from TP-Link's official website.
Implement network segmentation to restrict unauthorized access.

Long-Term Security Practices

Regularly monitor security advisories for firmware updates.
Conduct security assessments to identify vulnerabilities proactively.

Patching and Updates

Ensure timely installation of security patches and firmware updates to mitigate vulnerabilities effectively.