CVE-2022-28973 : Security Advisory and Response

This article provides details about CVE-2022-28973, a vulnerability found in Tenda AX1806 v1.0.0.1 that can lead to a Denial of Service (DoS) attack.

Understanding CVE-2022-28973

This section delves into the specifics of the CVE-2022-28973 vulnerability in Tenda AX1806 v1.0.0.1.

What is CVE-2022-28973?

CVE-2022-28973 is a stack overflow vulnerability identified in Tenda AX1806 v1.0.0.1 through the wanMTU parameter, present in the function fromAdvSetMacMtuWan. This flaw enables malicious actors to trigger a DoS attack.

The Impact of CVE-2022-28973

The presence of CVE-2022-28973 in Tenda AX1806 v1.0.0.1 poses a significant risk as attackers can exploit it to disrupt services, potentially causing downtime and system instability.

Technical Details of CVE-2022-28973

In this section, we explore the technical aspects of CVE-2022-28973, including how it can be exploited and the systems it affects.

Vulnerability Description

The vulnerability in Tenda AX1806 v1.0.0.1 arises due to a stack overflow triggered by the wanMTU parameter within the fromAdvSetMacMtuWan function.

Affected Systems and Versions

Tenda AX1806 v1.0.0.1 is the specific version impacted by CVE-2022-28973. Users of this version are susceptible to the DoS attack caused by the stack overflow vulnerability.

Exploitation Mechanism

Attackers can exploit the CVE-2022-28973 vulnerability by manipulating the wanMTU parameter to trigger a stack overflow, leading to a DoS condition.

Mitigation and Prevention

This section outlines steps to mitigate the risk posed by CVE-2022-28973 and prevent potential exploitation.

Immediate Steps to Take

Users of Tenda AX1806 v1.0.0.1 should consider implementing security measures to minimize the threat of a DoS attack through CVE-2022-28973.

Long-Term Security Practices

To enhance overall cybersecurity posture, organizations should adopt stringent security practices, including regular vulnerability assessments and network monitoring.

Patching and Updates

Vendor-supplied patches and firmware updates should be promptly applied to address the CVE-2022-28973 vulnerability in Tenda AX1806 v1.0.0.1.