CVE-2021-38484 : Exploit Details and Defense Strategies

The CVE-2021-38484 vulnerability affects InHand Networks IR615 Router versions 2.3.0.r4724 and 2.3.0.r4870. Attackers can exploit this flaw by uploading malicious files to the server, potentially leading to serious security risks.

Understanding CVE-2021-38484

This section provides insights into the impact and technical details of the CVE-2021-38484 vulnerability.

What is CVE-2021-38484?

The vulnerability in InHand Networks IR615 Router versions 2.3.0.r4724 and 2.3.0.r4870 allows attackers to upload malicious files without detection, posing risks of cross-site scripting, system file deletion, and remote code execution.

The Impact of CVE-2021-38484

With a CVSS base score of 9.1 (Critical), the vulnerability has a high impact on confidentiality, integrity, and availability. Attackers with high privileges can exploit this flaw remotely.

Technical Details of CVE-2021-38484

This section delves into the technical aspects of the CVE-2021-38484 vulnerability.

Vulnerability Description

InHand Networks IR615 Router lacks file filter/signature checks, enabling admin-level attackers to upload malicious files, leading to potential cross-site scripting, system file deletion, and remote code execution.

Affected Systems and Versions

The vulnerability affects InHand Networks IR615 Router versions 2.3.0.r4724 and 2.3.0.r4870.

Exploitation Mechanism

Attackers can leverage the absence of file validation checks in affected versions to upload malicious files, compromising the server's security.

Mitigation and Prevention

Explore the necessary steps to mitigate and prevent the exploitation of CVE-2021-38484.

Immediate Steps to Take

InHand Networks has not collaborated with CISA to address the vulnerabilities. Users are advised to contact InHand Networks customer support for guidance.

Long-Term Security Practices

Implement robust security measures such as limiting user privileges, monitoring file uploads, and conducting regular security audits.

Patching and Updates

Stay informed about security patches and updates from InHand Networks to address the CVE-2021-38484 vulnerability effectively.