CVE-2021-40655 : What You Need to Know

This CVE-2021-40655 article provides insights into an information disclosure vulnerability in D-LINK-DIR-605 B2 Firmware Version 2.01MT, potentially allowing attackers to retrieve user credentials.

Understanding CVE-2021-40655

This section delves into the specifics of the CVE-2021-40655 vulnerability.

What is CVE-2021-40655?

CVE-2021-40655 is an information disclosure flaw present in D-LINK-DIR-605 B2 Firmware Version 2.01MT, enabling malicious actors to acquire login credentials through a crafted post request.

The Impact of CVE-2021-40655

The existence of this vulnerability poses a severe risk by exposing user names and passwords to unauthorized parties, compromising the security and privacy of affected individuals.

Technical Details of CVE-2021-40655

Explore the intricate technical aspects of CVE-2021-40655.

Vulnerability Description

The vulnerability in D-LINK-DIR605 B2 Firmware Version 2.01MT allows attackers to illicitly obtain user credentials by manipulating a post request to the /getcfg.php page.

Affected Systems and Versions

Affected Product: Not applicable
Affected Vendor: Not applicable
Affected Version: 2.01MT

Exploitation Mechanism

Attackers can leverage a crafted post request sent to the /getcfg.php page to extract sensitive login information from the affected firmware.

Mitigation and Prevention

Learn how to address and prevent threats associated with CVE-2021-40655.

Immediate Steps to Take

Disable remote management if not essential
Monitor for unusual post requests to /getcfg.php
Implement network-level controls to restrict unauthorized access

Long-Term Security Practices

Regularly update firmware to patch security vulnerabilities
Conduct security audits to identify and remediate potential weaknesses

Patching and Updates

Stay informed about firmware updates from D-LINK and promptly apply patches to address the CVE-2021-40655 vulnerability.