CVE-2022-47116 Explained : Impact and Mitigation

This article provides detailed information about CVE-2022-47116, a vulnerability found in Tenda A15 V15.13.07.13 that can lead to a stack overflow via the SYSPS parameter at /goform/SysToolChangePwd.

Understanding CVE-2022-47116

In this section, we will delve into what CVE-2022-47116 is and the impact it can have.

What is CVE-2022-47116?

CVE-2022-47116 is a vulnerability identified in Tenda A15 V15.13.07.13 that allows for a stack overflow through the SYSPS parameter at /goform/SysToolChangePwd.

The Impact of CVE-2022-47116

This vulnerability can potentially be exploited by attackers to execute arbitrary code or crash the affected system, leading to a denial of service (DoS) condition.

Technical Details of CVE-2022-47116

Let's explore the technical aspects of CVE-2022-47116, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability lies in the handling of the SYSPS parameter, which can be exploited to trigger a stack overflow, causing the software to behave unexpectedly.

Affected Systems and Versions

The issue affects Tenda A15 V15.13.07.13, and potentially other similar versions, exposing those systems to the associated risks.

Exploitation Mechanism

Attackers can craft specially designed input to the SYSPS parameter, causing a buffer overflow and potentially gaining unauthorized access or disrupting services.

Mitigation and Prevention

In this section, we will discuss the steps to mitigate the risks posed by CVE-2022-47116 and prevent potential exploitation.

Immediate Steps to Take

It is recommended to update the Tenda A15 firmware to a patched version that addresses the stack overflow vulnerability in the SYSPS parameter handling.

Long-Term Security Practices

Implementing secure coding practices, regular security assessments, and monitoring for unusual system behavior can help in fortifying systems against similar vulnerabilities.

Patching and Updates

Stay informed about security updates from Tenda and promptly apply patches to ensure that known vulnerabilities, including CVE-2022-47116, are addressed.