CVE-2022-34840 : What You Need to Know

A detailed overview of the vulnerability affecting multiple Buffalo network devices.

Understanding CVE-2022-34840

This section explains the nature and impact of the CVE-2022-34840 vulnerability.

What is CVE-2022-34840?

The CVE-2022-34840 vulnerability involves the use of hard-coded credentials in various Buffalo network devices. This security flaw allows a network-adjacent attacker to modify configuration settings on the affected devices.

The Impact of CVE-2022-34840

The vulnerability exposes devices to unauthorized configuration changes, potentially leading to unauthorized access or disruption of services.

Technical Details of CVE-2022-34840

Explore the specific technical aspects of the CVE-2022-34840 vulnerability.

Vulnerability Description

The vulnerable Buffalo network devices include WZR-300HP, WZR-450HP, WZR-600DHP, WZR-900DHP, HW-450HP-ZWE, WZR-450HP-CWT, WZR-450HP-UB, WZR-600DHP2, and WZR-D1100H. The affected firmware versions are specified for each device.

Affected Systems and Versions

The CVE-2022-34840 vulnerability impacts Buffalo network devices running specific firmware versions as outlined in the description.

Exploitation Mechanism

By exploiting the hard-coded credentials, an attacker can manipulate the device's configuration settings, jeopardizing the integrity and security of the affected systems.

Mitigation and Prevention

Learn how to address and prevent vulnerabilities like CVE-2022-34840 in your network.

Immediate Steps to Take

Users should update affected devices to the latest firmware versions provided by Buffalo Inc. Change default credentials to unique, strong passwords to prevent unauthorized access.

Long-Term Security Practices

Implement a regular system patching schedule and conduct security audits to identify and remediate vulnerabilities in the network infrastructure.

Patching and Updates

Stay informed about security updates from Buffalo Inc. and apply patches promptly to protect your network from potential threats.