CVE-2021-29280 : What You Need to Know

An ARP poisoning attack can lead to a buffer overflow vulnerability in TP-Link Wireless N Router WR840N.

Understanding CVE-2021-29280

This CVE highlights a critical vulnerability in the TP-Link Wireless N Router WR840N that could be exploited through an ARP poisoning attack.

What is CVE-2021-29280?

The CVE-2021-29280 vulnerability pertains to a buffer overflow issue triggered by an ARP poisoning attack on the TP-Link Wireless N Router WR840N.

The Impact of CVE-2021-29280

The impact of this vulnerability is severe as it can be exploited by attackers to execute arbitrary code, leading to a potential compromise of the affected router.

Technical Details of CVE-2021-29280

This section provides deeper insights into the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from inadequate handling of ARP poisoning attacks, resulting in a buffer overflow condition in the router.

Affected Systems and Versions

TP-Link Wireless N Router WR840N is specifically affected by this vulnerability.

Exploitation Mechanism

Exploitation of CVE-2021-29280 involves launching an ARP poisoning attack to trigger the buffer overflow and potentially execute malicious code.

Mitigation and Prevention

Addressing CVE-2021-29280 requires immediate action and longer-term security measures.

Immediate Steps to Take

Users should apply any available patches or security updates provided by TP-Link to mitigate the risk posed by this vulnerability.

Long-Term Security Practices

Implementing network segmentation, strong access controls, and multi-factor authentication can enhance the overall security posture.

Patching and Updates

Regularly check for firmware updates and security advisories from TP-Link to ensure the router is protected against known vulnerabilities.