CVE-2021-42627 : Vulnerability Insights and Analysis

This CVE entry pertains to a vulnerability in D-Link DIR-615 devices with firmware 20.06, allowing unauthorized access to the WAN configuration page, 'wan.htm,' potentially leading to information disclosure and unauthorized data modification.

Understanding CVE-2021-42627

The vulnerability in the WAN configuration page of D-Link DIR-615 devices can result in significant security implications.

What is CVE-2021-42627?

The vulnerability enables access to the 'wan.htm' page without authentication on affected devices, creating a risk of exposing WAN settings and permitting unauthorized data modifications.

The Impact of CVE-2021-42627

The exploitation of this vulnerability can lead to sensitive information exposure and unauthorized alterations to network configurations, posing a serious security risk to affected systems.

Technical Details of CVE-2021-42627

The following are key technical aspects of this CVE entry:

Vulnerability Description

The vulnerability allows direct access to the WAN configuration page without requiring authentication.
This access can divulge information about WAN settings and empower attackers to manipulate data fields on the page.

Affected Systems and Versions

Product: D-Link DIR-615
Firmware Version: 20.06

Exploitation Mechanism

Attackers can directly navigate to the 'wan.htm' page without the need for authentication, granting unauthorized access to critical network settings.

Mitigation and Prevention

To address CVE-2021-42627, the following steps are recommended:

Immediate Steps to Take

Restrict access to the 'wan.htm' page to authenticated users only.
Regularly monitor network configurations for unauthorized changes.

Long-Term Security Practices

Implement strong authentication mechanisms for all device configurations.
Stay informed about security bulletins and updates from D-Link.

Patching and Updates

Apply firmware updates provided by D-Link to patch the vulnerability and enhance system security.