CVE-2022-27016 Explained : Impact and Mitigation

A stack overflow vulnerability has been identified in the SetStaticRouteCfg() function within the httpd service of Tenda AC9 15.03.2.21_cn.

Understanding CVE-2022-27016

This section will provide insights into the nature and impact of the CVE-2022-27016 vulnerability.

What is CVE-2022-27016?

The CVE-2022-27016 vulnerability involves a stack overflow issue in the SetStaticRouteCfg() function of the httpd service in Tenda AC9 15.03.2.21_cn.

The Impact of CVE-2022-27016

This vulnerability could allow an attacker to potentially execute arbitrary code or disrupt the normal functioning of the affected system.

Technical Details of CVE-2022-27016

In this section, we will delve into the technical aspects of the CVE-2022-27016 vulnerability.

Vulnerability Description

The vulnerability arises due to improper handling of user-supplied input within the SetStaticRouteCfg() function, leading to a stack overflow condition.

Affected Systems and Versions

The affected system is the Tenda AC9 router with version 15.03.2.21_cn.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the httpd service, triggering the stack overflow and potentially gaining unauthorized access.

Mitigation and Prevention

Discover how to mitigate the risks posed by CVE-2022-27016 and prevent potential exploitation.

Immediate Steps to Take

It is recommended to apply security patches provided by the vendor or implement workarounds to address the vulnerability promptly.

Long-Term Security Practices

In the long term, ensure regular security updates, conduct security assessments, and follow security best practices to enhance the overall security posture.

Patching and Updates

Keep an eye out for official patches or updates released by Tenda to address the CVE-2022-27016 vulnerability.