CVE-2022-42058 : Security Advisory and Response

A stack overflow vulnerability was discovered in the Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) that could lead to a Denial of Service (DoS) attack through crafted overflow data.

Understanding CVE-2022-42058

This section provides an overview of the CVE-2022-42058 vulnerability.

What is CVE-2022-42058?

The Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) contains a stack overflow vulnerability in the setRemoteWebManage function, allowing attackers to launch a Denial of Service (DoS) attack using malicious overflow data.

The Impact of CVE-2022-42058

The vulnerability in the router model can result in a DoS condition, rendering the device inaccessible to legitimate users, disrupting network services and operations.

Technical Details of CVE-2022-42058

Explore the technical aspects of the CVE-2022-42058 vulnerability.

Vulnerability Description

The stack overflow vulnerability in the Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) arises from inadequate input validation in the setRemoteWebManage function, enabling an attacker to overwhelm the device with malicious data.

Affected Systems and Versions

The Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) is confirmed to be impacted by this vulnerability, potentially affecting devices with this specific model and firmware version.

Exploitation Mechanism

Exploiting this vulnerability involves crafting specially designed overflow data to trigger the stack overflow condition, leading to a DoS scenario.

Mitigation and Prevention

Discover the steps to mitigate and prevent the CVE-2022-42058 vulnerability.

Immediate Steps to Take

Immediately apply security best practices, such as restricting network access, updating firmware, and monitoring for unusual network activity to mitigate the risk of a DoS attack.

Long-Term Security Practices

Implement regular security assessments, deploy network intrusion detection systems, and educate users on cybersecurity hygiene to enhance overall network security posture.

Patching and Updates

Stay informed about security advisories related to the Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) and promptly apply manufacturer-released patches and firmware updates to address the vulnerability.