CVE-2021-34860 : What You Need to Know

A vulnerability in D-Link DAP-2020 1.01rc001 routers allows network-adjacent attackers to access sensitive information without authentication.

Understanding CVE-2021-34860

This CVE identifies a security flaw in the D-Link DAP-2020 1.01rc001 routers that enables attackers to disclose critical data.

What is CVE-2021-34860?

The vulnerability in D-Link DAP-2020 1.01rc001 routers permits nearby attackers to reveal sensitive information without needing authentication. It arises due to inadequate validation of user-supplied paths.

The Impact of CVE-2021-34860

The vulnerability's impact is rated as medium severity. Attackers can exploit it to access confidential information without the need for user interaction or elevated privileges.

Technical Details of CVE-2021-34860

The vulnerability is identified as CVE-2021-34860 and has a base score of 6.5, indicating medium severity.

Vulnerability Description

The flaw exists in the lack of proper validation of a user-supplied path in file operations, allowing attackers to disclose information within the root context.

Affected Systems and Versions

D-Link DAP-2020 version 1.01rc001 is affected by this vulnerability.

Exploitation Mechanism

Network-adjacent attackers can exploit this vulnerability without the need for authentication, compromising the confidentiality of sensitive information.

Mitigation and Prevention

To safeguard against CVE-2021-34860, immediate steps and long-term security measures are advised.

Immediate Steps to Take

Users are recommended to apply patches provided by D-Link promptly to mitigate the vulnerability.

Long-Term Security Practices

Implement strong network security measures and regular vulnerability assessments to enhance overall network security.

Patching and Updates

Regularly update D-Link DAP-2020 routers to the latest firmware version to address security vulnerabilities effectively.