CVE-2021-39474 : Exploit Details and Defense Strategies

This CVE-2021-39474 article provides insights into a vulnerability in the Docsis 3.0 UBC1319BA00 Router.

Understanding CVE-2021-39474

This section delves into the specifics of the CVE-2021-39474 vulnerability.

What is CVE-2021-39474?

The vulnerability affects the Docsis 3.0 UBC1319BA00 Router, allowing attackers with privileges and network access through the ping.cmd component to execute commands on the device.

The Impact of CVE-2021-39474

The vulnerability exposes the affected system to unauthorized command execution, posing severe risks to device security.

Technical Details of CVE-2021-39474

This section explores the technical aspects of CVE-2021-39474.

Vulnerability Description

The vulnerability in the Docsis 3.0 UBC1319BA00 Router permits attackers to execute commands on the device by exploiting the ping.cmd component.

Affected Systems and Versions

Product: Docsis 3.0 UBC1319BA00 Router
Version: 1319010201r009 (affected)

Exploitation Mechanism

Attackers with privileges and network access can exploit the ping.cmd component to execute commands on the device.

Mitigation and Prevention

This section focuses on measures to mitigate the CVE-2021-39474 vulnerability.

Immediate Steps to Take

Monitor network traffic for any suspicious activities related to ping.cmd
Implement strong access control measures to limit privilege escalation
Apply the principle of least privilege to restrict unauthorized access

Long-Term Security Practices

Regularly update and patch the router firmware to address known vulnerabilities
Conduct security training for users on identifying and reporting potential security threats

Patching and Updates

Apply manufacturer-released patches promptly to eliminate the vulnerability and enhance system security.