CVE-2022-43027 : Vulnerability Insights and Analysis

A detailed overview of the CVE-2022-43027 vulnerability affecting Tenda TX3 routers.

Understanding CVE-2022-43027

This section delves into the nature and impact of the CVE-2022-43027 vulnerability.

What is CVE-2022-43027?

The CVE-2022-43027 vulnerability affects Tenda TX3 routers, specifically the TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 version. It was discovered that the router is prone to a stack overflow via the firewallEn parameter at /goform/SetFirewallCfg.

The Impact of CVE-2022-43027

The vulnerability allows attackers to trigger a stack overflow, potentially leading to unauthorized access, denial of service, or other malicious activities.

Technical Details of CVE-2022-43027

Explore the technical aspects of the CVE-2022-43027 vulnerability.

Vulnerability Description

The stack overflow vulnerability arises due to improper handling of input in the firewallEn parameter, enabling attackers to execute arbitrary code or crash the system.

Affected Systems and Versions

The Tenda TX3 router model US_TX3V1.0br_V16.03.13.11_multi_TDE01 is confirmed to be impacted by CVE-2022-43027.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specially crafted request containing malicious input to the firewallEn parameter, triggering the stack overflow.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2022-43027.

Immediate Steps to Take

Users should apply security patches provided by Tenda as soon as they are available. Additionally, consider implementing network segmentation and access control measures.

Long-Term Security Practices

Regularly update the router firmware, follow security best practices, and conduct security audits to ensure overall network protection.

Patching and Updates

Stay informed about security updates and patches released by Tenda for the TX3 router model to address CVE-2022-43027.