CVE-2021-37377 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2021-37377, a Cross Site Scripting (XSS) vulnerability in Teradek Brik firmware version 7.2.x and earlier that allows remote attackers to run arbitrary code via the Friendly Name field in System Information Settings.

Understanding CVE-2021-37377

In this section, we will delve into the specifics of CVE-2021-37377.

What is CVE-2021-37377?

The vulnerability is related to a Cross Site Scripting (XSS) issue in Teradek Brik firmware version 7.2.x and earlier, enabling attackers to execute malicious code by manipulating the Friendly Name field.

The Impact of CVE-2021-37377

The exploit could potentially lead to unauthorized code execution by remote attackers, posing a severe security risk to affected systems.

Technical Details of CVE-2021-37377

In this section, we will explore the technical aspects of CVE-2021-37377.

Vulnerability Description

The vulnerability allows remote attackers to inject and execute arbitrary code through the Friendly Name field in the System Information Settings of Teradek Brik firmware version 7.2.x and prior.

Affected Systems and Versions

The issue affects Teradek Brik firmware version 7.2.x and earlier, with specific emphasis on the Friendly Name field within System Information Settings.

Exploitation Mechanism

Exploiting this vulnerability involves manipulating the input within the Friendly Name field to execute unauthorized code remotely.

Mitigation and Prevention

This section discusses the strategies to mitigate and prevent exploitation of CVE-2021-37377.

Immediate Steps to Take

As the affected product has reached End of Life and will not receive firmware updates, users are advised to cease use or implement alternative solutions to minimize the risk of exploitation.

Long-Term Security Practices

Implementing robust security measures, regularly auditing system configurations, and monitoring for any suspicious activity can enhance the overall security posture.

Patching and Updates

Given that the vendor has declared the product End of Life, users are encouraged to transition to supported and regularly updated products to safeguard against security vulnerabilities.