CVE-2022-38311 Explained : Impact and Mitigation

This article provides insights into CVE-2022-38311, a vulnerability discovered in Tenda AC18 router versions v15.03.05.19 and v15.03.05.05 that allows for a stack overflow via the time parameter at /goform/PowerSaveSet.

Understanding CVE-2022-38311

In this section, we will delve deeper into the nature of CVE-2022-38311 and its potential impact.

What is CVE-2022-38311?

CVE-2022-38311 is a security flaw identified in Tenda AC18 routers, specifically in versions v15.03.05.19 and v15.03.05.05, enabling a stack overflow through the time parameter located at /goform/PowerSaveSet.

The Impact of CVE-2022-38311

The vulnerability poses a significant risk as threat actors could exploit it to potentially execute arbitrary code or trigger a denial-of-service (DoS) condition on affected devices.

Technical Details of CVE-2022-38311

This section will cover the technical aspects of CVE-2022-38311, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Tenda AC18 routers arises from improper handling of the time parameter in the /goform/PowerSaveSet endpoint, leading to a stack overflow condition.

Affected Systems and Versions

Tenda AC18 routers running firmware versions v15.03.05.19 and v15.03.05.05 are impacted by CVE-2022-38311, exposing them to potential exploitation.

Exploitation Mechanism

Malicious actors can exploit this vulnerability by sending specially crafted requests to the affected endpoint, which could result in unauthorized code execution or service disruption.

Mitigation and Prevention

In this section, we will explore strategies to mitigate the risks associated with CVE-2022-38311 and prevent potential exploitation.

Immediate Steps to Take

Users of Tenda AC18 routers should immediately update their firmware to the latest patched version provided by the vendor to mitigate the vulnerability.

Long-Term Security Practices

Implementing network segmentation, applying the principle of least privilege, and monitoring network traffic for suspicious activities can enhance overall security posture.

Patching and Updates

Regularly check for firmware updates from Tenda and apply patches promptly to address security vulnerabilities and protect devices from exploitation.