CVE-2022-21178 : Security Advisory and Response

A critical OS command injection vulnerability has been discovered in TCL LinkHub Mesh Wifi MS1G_00_01.00_14, allowing attackers to execute arbitrary commands through specially-crafted network packets.

Understanding CVE-2022-21178

This CVE-2022-21178 vulnerability affects TCL LinkHub Mesh Wifi MS1G_00_01.00_14 and could have severe consequences due to its critical impact.

What is CVE-2022-21178?

CVE-2022-21178 is an OS command injection vulnerability found in the confsrv ucloud_add_new_node feature of TCL LinkHub Mesh Wifi MS1G_00_01.00_14. It enables threat actors to execute unauthorized commands by sending a malicious network packet.

The Impact of CVE-2022-21178

With a CVSS base score of 9.6, CVE-2022-21178 is considered critical, posing high confidentiality, integrity, and availability risks. The attack complexity is low, and no privileges are required for exploitation, making it a severe threat.

Technical Details of CVE-2022-21178

The following technical aspects are crucial to understanding the nature of the vulnerability.

Vulnerability Description

The vulnerability lies in the confsrv ucloud_add_new_node functionality of TCL LinkHub Mesh Wifi MS1G_00_01.00_14, enabling the execution of arbitrary commands through crafted network packets.

Affected Systems and Versions

Only TCL LinkHub Mesh Wifi devices running version MS1G_00_01.00_14 are affected by CVE-2022-21178.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specially-crafted network packet to the target device, enabling the execution of arbitrary commands.

Mitigation and Prevention

To protect your systems from potential exploitation of CVE-2022-21178, consider the following mitigation strategies.

Immediate Steps to Take

Apply security patches provided by TCL promptly to address the vulnerability.
Monitor network traffic for any signs of suspicious activity that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update and patch all network-connected devices to prevent known vulnerabilities.
Implement network segmentation and access controls to limit the impact of successful attacks.

Patching and Updates

Stay informed about security updates released by TCL for LinkHub Mesh Wifi and ensure timely application to secure your devices from emerging threats.