CVE-2022-37818 : Security Advisory and Response

Tenda AX1803 v1.0.0.1 has been found to have a stack overflow vulnerability through the list parameter in the formSetQosBand function.

Understanding CVE-2022-37818

This CVE involves a stack overflow vulnerability in the Tenda AX1803 router.

What is CVE-2022-37818?

The CVE-2022-37818 vulnerability is present in Tenda AX1803 v1.0.0.1 due to a stack overflow triggered by the list parameter in the formSetQosBand function.

The Impact of CVE-2022-37818

This vulnerability could potentially allow an attacker to execute arbitrary code or crash the device, leading to a denial of service (DoS) condition.

Technical Details of CVE-2022-37818

Below are the technical details related to CVE-2022-37818:

Vulnerability Description

Tenda AX1803 v1.0.0.1 is susceptible to a stack overflow attack via the list parameter in the formSetQosBand function.

Affected Systems and Versions

The affected version is Tenda AX1803 v1.0.0.1.

Exploitation Mechanism

The vulnerability can be exploited by sending specially crafted requests to the affected router, causing a stack overflow.

Mitigation and Prevention

To protect your system from CVE-2022-37818, follow these guidelines:

Immediate Steps to Take

Update the firmware of the Tenda AX1803 router to the latest version provided by the vendor.
Implement strong network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor and patch vulnerabilities in networking devices.
Conduct security audits and assessments to identify and mitigate potential risks.

Patching and Updates

Stay informed about security updates and patches released by Tenda for the AX1803 router.