CVE-2022-27004 : Exploit Details and Defense Strategies

Totolink routers s X5000R V9.1.0u.6118_B20201102 and A7000R V9.1.0u.6115_B20201022 were discovered to contain a command injection vulnerability in the Tunnel 6in4 function via the remote6in4 parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Understanding CVE-2022-27004

This CVE involves a command injection vulnerability in Totolink routers, potentially enabling unauthorized execution of commands.

What is CVE-2022-27004?

CVE-2022-27004 highlights a security flaw in Totolink routers that could be exploited by attackers to run unauthorized commands through a specific parameter.

The Impact of CVE-2022-27004

The vulnerability in Totolink routers could lead to unauthorized command execution, posing a significant security risk to affected devices.

Technical Details of CVE-2022-27004

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability allows attackers to execute arbitrary commands by exploiting the Tunnel 6in4 function via the remote6in4 parameter, affecting Totolink routers s X5000R V9.1.0u.6118_B20201102 and A7000R V9.1.0u.6115_B20201022.

Affected Systems and Versions

Totolink routers s X5000R V9.1.0u.6118_B20201102 and A7000R V9.1.0u.6115_B20201022 are affected by this vulnerability.

Exploitation Mechanism

The vulnerability lies in the 6in4 function of the routers, allowing attackers to execute malicious commands through a specifically crafted request.

Mitigation and Prevention

Protecting against CVE-2022-27004 is crucial to ensure the security of Totolink routers.

Immediate Steps to Take

Immediately update affected Totolink routers to the latest firmware version provided by the vendor. Additionally, restrict access to the routers to authorized personnel only.

Long-Term Security Practices

Regularly monitor for security updates from Totolink and apply them promptly to mitigate any potential vulnerabilities.

Patching and Updates

Stay informed about firmware updates released by Totolink and promptly apply them to ensure that your devices are protected against known vulnerabilities.