CVE-2022-35559 : Exploit Details and Defense Strategies

A stack overflow vulnerability in /goform/setAutoPing in Tenda W6 V1.0.0.9(4122) could allow an attacker to execute arbitrary code.

Understanding CVE-2022-35559

This CVE involves a stack overflow vulnerability in Tenda W6 V1.0.0.9(4122) that could be exploited to launch arbitrary code execution attacks.

What is CVE-2022-35559?

CVE-2022-35559 is a stack overflow vulnerability discovered in the /goform/setAutoPing function of Tenda W6 V1.0.0.9(4122). This vulnerability enables attackers to manipulate ping parameters for a stack overflow attack, ultimately leading to the execution of arbitrary code.

The Impact of CVE-2022-35559

The impact of this vulnerability is severe as it allows malicious actors to take control of affected systems and execute unauthorized code, posing a significant risk to data confidentiality and system integrity.

Technical Details of CVE-2022-35559

This section delves into the technical aspects of CVE-2022-35559.

Vulnerability Description

The vulnerability resides in the /goform/setAutoPing function of Tenda W6 V1.0.0.9(4122), where attackers can craft malicious ping parameters to trigger a stack overflow, opening the door for arbitrary code execution.

Affected Systems and Versions

Tenda W6 V1.0.0.9(4122) is confirmed to be impacted by this vulnerability, potentially exposing systems running this version to exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by constructing specific ping1 and ping2 parameters to overflow the stack, gaining the ability to execute malicious code on vulnerable systems.

Mitigation and Prevention

Protecting systems from CVE-2022-35559 requires immediate action and long-term security measures.

Immediate Steps to Take

Immediately patch the affected Tenda W6 V1.0.0.9(4122) systems and restrict access to potentially vulnerable functions to prevent exploitation.

Long-Term Security Practices

Implement security best practices such as regular security updates, network segmentation, and access control mechanisms to enhance overall security posture.

Patching and Updates

Stay informed about security updates from the vendor and promptly apply any patches or fixes released to address the CVE-2022-35559 vulnerability.