CVE-2021-20092 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2021-20092, a vulnerability affecting Buffalo WSR-2533DHPL2 and WSR-2533DHP3 devices.

Understanding CVE-2021-20092

CVE-2021-20092 is a vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 that allows unauthorized access to sensitive information.

What is CVE-2021-20092?

The vulnerability in Buffalo WSR-2533DHPL2 and WSR-2533DHP3 firmware versions allows unauthorized actors to access sensitive information due to improper access control mechanisms.

The Impact of CVE-2021-20092

This vulnerability could lead to unauthorized disclosure of sensitive data stored on the affected devices, potentially compromising user privacy and security.

Technical Details of CVE-2021-20092

This section covers specific technical details of the CVE-2021-20092 vulnerability.

Vulnerability Description

The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 lack proper access controls, enabling unauthorized actors to retrieve sensitive information.

Affected Systems and Versions

Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by gaining unauthorized access to the web interfaces of the affected Buffalo devices and extracting sensitive information.

Mitigation and Prevention

To address CVE-2021-20092, users and administrators can take the following steps to mitigate the risks associated with this vulnerability.

Immediate Steps to Take

Update Buffalo WSR-2533DHPL2 firmware to version > 1.02 and WSR-2533DHP3 firmware to version > 1.24.
Restrict network access to the devices and implement strong access controls.

Long-Term Security Practices

Regularly monitor for firmware updates and security patches from Buffalo.
Conduct security assessments and audits to identify and address any vulnerabilities.

Patching and Updates

Buffalo may release patches or updates to address this vulnerability. Stay informed about new releases and apply them promptly to secure your devices.