CVE-2022-27185 : What You Need to Know

A denial of service vulnerability in the confctl_set_master_wlan functionality of TCL LinkHub Mesh Wifi MS1G_00_01.00_14 can result in a critical impact. An attacker can exploit this vulnerability by sending specially crafted network packets.

Understanding CVE-2022-27185

This section delves into the details of the CVE-2022-27185 vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2022-27185?

CVE-2022-27185 is a denial of service vulnerability found in TCL LinkHub Mesh Wifi MS1G_00_01.00_14. Attackers can leverage this flaw by sending malicious network packets, causing a denial of service condition.

The Impact of CVE-2022-27185

With a CVSS base score of 9.3 (Critical), this vulnerability poses a significant threat. It can lead to a high impact on integrity and availability without requiring any special privileges.

Technical Details of CVE-2022-27185

Let's explore the technical specifics of CVE-2022-27185, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises due to improper access control in the confctl_set_master_wlan function of TCL LinkHub Mesh Wifi MS1G_00_01.00_14. Malicious network packets can trigger the denial of service flaw.

Affected Systems and Versions

The affected product is 'LinkHub Mesh Wifi' by TCL, specifically version 'MS1G_00_01.00_14'. Users of this version are at risk of exploitation until a patch is applied.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting network packets in a specific way and sending them to the target device. This can disrupt the normal operation of the device, leading to a denial of service.

Mitigation and Prevention

Here are some crucial steps to mitigate the CVE-2022-27185 vulnerability and prevent potential attacks.

Immediate Steps to Take

Update the firmware of the affected device to the latest version provided by TCL.
Implement network level protections such as firewalls to filter out malicious packets.

Long-Term Security Practices

Regularly monitor security mailing lists for updates on vulnerabilities related to TCL LinkHub Mesh Wifi.
Educate network administrators on best practices for securing network devices and infrastructure.

Patching and Updates

Stay informed about security advisories from TCL and promptly apply any patches released to address CVE-2022-27185.