CVE-2022-24164 : Exploit Details and Defense Strategies

This article provides an in-depth understanding of CVE-2022-24164, a vulnerability discovered in Tenda routers G1 and G3 v15.11.0.17(9502)_CN, allowing attackers to launch a Denial of Service (DoS) attack.

Understanding CVE-2022-24164

CVE-2022-24164 is a vulnerability present in Tenda routers G1 and G3 v15.11.0.17(9502)_CN that enables attackers to carry out a Denial of Service (DoS) attack by exploiting a stack overflow in the function formSetVirtualSer.

What is CVE-2022-24164?

CVE-2022-24164 refers to a security flaw found in Tenda routers G1 and G3 v15.11.0.17(9502)_CN, allowing threat actors to trigger a DoS attack through the DnsHijackRule parameter.

The Impact of CVE-2022-24164

This vulnerability poses a significant risk as it can be leveraged by malicious entities to disrupt the normal functioning of Tenda routers G1 and G3 v15.11.0.17(9502)_CN, leading to service unavailability.

Technical Details of CVE-2022-24164

The following technical aspects are associated with CVE-2022-24164:

Vulnerability Description

The vulnerability arises from a stack overflow in the formSetVirtualSer function of Tenda routers G1 and G3 v15.11.0.17(9502)_CN.

Affected Systems and Versions

Tenda routers G1 and G3 v15.11.0.17(9502)_CN are impacted by this vulnerability, particularly in the specified version.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the DnsHijackRule parameter, thereby initiating a DoS attack.

Mitigation and Prevention

To safeguard against CVE-2022-24164, it is essential to implement the following security measures:

Immediate Steps to Take

Update Tenda routers G1 and G3 to a secure version devoid of the vulnerability.
Employ network intrusion detection systems to spot potential DoS attempts.

Long-Term Security Practices

Regularly monitor security advisories and patches released by Tenda.
Conduct security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Ensure that Tenda routers G1 and G3 are regularly patched with the latest firmware updates to mitigate the risk of exploitation.