CVE-2022-30476 Explained : Impact and Mitigation

This article provides an overview of CVE-2022-30476, a vulnerability found in the Tenda AC Series Router AC18_V15.03.05.19(6318) that could lead to a stack-based buffer overflow.

Understanding CVE-2022-30476

This section delves into the details of the vulnerability and its potential impact.

What is CVE-2022-30476?

The Tenda AC Series Router AC18_V15.03.05.19(6318) is affected by a stack-based buffer overflow in the httpd module when handling the /goform/SetFirewallCfg request.

The Impact of CVE-2022-30476

The vulnerability could allow an attacker to execute arbitrary code or crash the httpd module, leading to service disruption.

Technical Details of CVE-2022-30476

Explore the technical aspects of the vulnerability to better understand its scope.

Vulnerability Description

The stack-based buffer overflow occurs in the httpd module due to improper input validation of the /goform/SetFirewallCfg request.

Affected Systems and Versions

The Tenda AC Series Router AC18_V15.03.05.19(6318) is confirmed to be affected by this vulnerability.

Exploitation Mechanism

Cybercriminals can exploit this flaw by crafting malicious requests to trigger the buffer overflow, potentially gaining unauthorized access.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2022-30476 and prevent future vulnerabilities.

Immediate Steps to Take

Users are advised to apply security patches provided by Tenda to address this issue promptly.

Long-Term Security Practices

Implement network security best practices such as regular system updates, strong firewall configurations, and network segmentation.

Patching and Updates

Stay informed about security updates released by Tenda for the affected router model and apply them as soon as they are available.