CVE-2021-34829 : Exploit Details and Defense Strategies

This CVE-2021-34829 article provides details about a vulnerability impacting D-Link DAP-1330 1.13B01 BETA routers.

Understanding CVE-2021-34829

In this section, we will explore the nature and impact of the CVE-2021-34829 vulnerability.

What is CVE-2021-34829?

CVE-2021-34829 allows network-adjacent attackers to run arbitrary code on affected D-Link DAP-1330 routers without authentication due to a flaw in handling the HNAP_AUTH HTTP header.

The Impact of CVE-2021-34829

The vulnerability poses a high risk with a CVSS base score of 8.8, allowing attackers to execute code with high confidentiality, integrity, and availability impact.

Technical Details of CVE-2021-34829

This section covers the technical aspects of the CVE-2021-34829 vulnerability.

Vulnerability Description

CVE-2021-34829 is a buffer overflow vulnerability (CWE-120) resulting from inadequate validation of user-supplied data length.

Affected Systems and Versions

D-Link DAP-1330 routers running version 1.13B01 BETA are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit CVE-2021-34829 through a network-adjacent vector without requiring any user interaction.

Mitigation and Prevention

Learn about how to address and prevent the CVE-2021-34829 vulnerability in this section.

Immediate Steps to Take

Users should apply patches provided by D-Link promptly to mitigate the risk of exploitation.

Long-Term Security Practices

Implement security best practices such as network segmentation and regular security updates to enhance overall protection.

Patching and Updates

Stay informed about security updates and apply patches released by D-Link to secure vulnerable devices.