CVE-2022-4616 Explained : Impact and Mitigation

A critical vulnerability (CVE-2022-4616) has been discovered in Delta Industrial Automation's 4G Router DX-3021, allowing remote attackers to perform command injection, potentially compromising the integrity and availability of the system.

Understanding CVE-2022-4616

This section delves into the nature of the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2022-4616?

The webserver in Delta DX-3021 versions prior to 1.24 is vulnerable to command injection through the network diagnosis page. This flaw could be exploited by a remote unauthenticated user to add files, delete files, and modify file permissions.

The Impact of CVE-2022-4616

With a CVSS base score of 7.2 (High Severity), this vulnerability poses a significant threat. Attackers can exploit the flaw to execute arbitrary commands, potentially leading to data breaches, unauthorized access, and system compromise.

Technical Details of CVE-2022-4616

Let's explore the specific technical aspects of this vulnerability.

Vulnerability Description

The vulnerability arises from improper input validation in the webserver of Delta DX-3021 routers, allowing attackers to inject and execute commands remotely.

Affected Systems and Versions

Delta DX-3021 routers running software versions earlier than 1.24 are impacted by this vulnerability.

Exploitation Mechanism

Remote unauthenticated attackers can leverage the network diagnosis page to inject malicious commands, gaining unauthorized access and control over the device.

Mitigation and Prevention

Discover the steps to secure your systems and prevent exploitation of CVE-2022-4616.

Immediate Steps to Take

Users are urged to apply the security patch provided by Delta immediately to mitigate the risk of exploitation. Avoid exposing vulnerable devices to untrusted networks.

Long-Term Security Practices

Implement robust network security measures, such as regular security assessments, network segmentation, and access control, to fortify your infrastructure against potential threats.

Patching and Updates

Delta has addressed this vulnerability in version 1.24 and released a patch. Ensure timely installation of the updated firmware to enhance the security posture of Delta DX-3021 routers.