CVE-2021-38466 Explained : Impact and Mitigation

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 are affected by a vulnerability that allows an attacker to run code through a reflected cross-site scripting attack.

Understanding CVE-2021-38466

This CVE identifies a security vulnerability in the InHand Networks IR615 Router that could lead to unauthorized code execution.

What is CVE-2021-38466?

The vulnerability in versions 2.3.0.r4724 and 2.3.0.r4870 allows attackers to exploit insufficient input validation and perform a reflected cross-site scripting attack, compromising client browser security.

The Impact of CVE-2021-38466

With a base score of 8.8, this high-severity CVE can result in confidentiality breaches and potentially unauthorized code execution on affected devices.

Technical Details of CVE-2021-38466

The vulnerability is categorized under CWE-79: Improper Neutralization of Input during Web Page Generation (Cross-Site Scripting). It has a CVSS v3.1 base score of 8.8, signifying a significant risk.

Vulnerability Description

The flaw arises from inadequate input validation on client requests from the help page, creating a pathway for malicious actors to execute code through cross-site scripting.

Affected Systems and Versions

InHand Networks IR615 Router versions 2.3.0.r4724 and 2.3.0.r4870 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

By exploiting the lack of sufficient input validation, attackers can execute a reflected cross-site scripting attack, enabling them to run code on the client browser.

Mitigation and Prevention

It is critical to take immediate steps to address this vulnerability and implement long-term security practices to protect against potential exploitation.

Immediate Steps to Take

InHand Networks has not yet responded with a mitigation. Users are advised to contact their customer support for guidance.

Long-Term Security Practices

To enhance security posture, users should stay vigilant, apply any patches or updates released by InHand Networks promptly, and continuously monitor for any unusual activity.

Patching and Updates

Regularly check for security patches and updates from InHand Networks to ensure the timely mitigation of vulnerabilities.