CVE-2021-37373 : Security Advisory and Response

A Cross Site Scripting (XSS) vulnerability in Teradek Slice 1st generation firmware 7.3.x and earlier has been identified, allowing remote attackers to execute arbitrary code via the Friendly Name field in System Information Settings. The vendor has stated that the product has reached End of Life and will not receive any firmware updates to fix this issue.

Understanding CVE-2021-37373

This section will provide insights into the nature and impact of the CVE-2021-37373 vulnerability.

What is CVE-2021-37373?

CVE-2021-37373 is a Cross Site Scripting (XSS) vulnerability identified in Teradek Slice 1st generation firmware 7.3.x and earlier versions. It enables remote attackers to execute malicious code through the Friendly Name field in System Information Settings.

The Impact of CVE-2021-37373

This vulnerability poses a significant risk as it allows attackers to run arbitrary code on affected systems, potentially leading to unauthorized access, data breaches, and other security compromises.

Technical Details of CVE-2021-37373

In this section, we will delve into the specifics of the CVE-2021-37373 vulnerability.

Vulnerability Description

The vulnerability arises due to insufficient input validation in the Friendly Name field of Teradek Slice 1st generation firmware 7.3.x and earlier, making it susceptible to XSS attacks.

Affected Systems and Versions

Teradek Slice 1st generation firmware 7.3.x and earlier versions are confirmed to be affected by this vulnerability.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by injecting malicious code into the Friendly Name field in System Information Settings, leading to the execution of arbitrary commands.

Mitigation and Prevention

In this section, we will discuss the steps to mitigate and prevent the exploitation of CVE-2021-37373.

Immediate Steps to Take

As the affected product has reached its End of Life and will not receive any firmware updates, users are advised to implement strict network access controls, monitor for any suspicious activities, and consider alternative security measures.

Long-Term Security Practices

For long-term security, organizations should transition to supported and actively maintained products, conduct regular security assessments, and educate users on safe computing practices.

Patching and Updates

Since the vendor has declared the affected product as End of Life and will not release any patches, users are recommended to explore alternative solutions or workarounds to safeguard their systems.