CVE-2022-37811 Explained : Impact and Mitigation

Tenda AC1206 V15.03.06.23 was discovered to contain a stack overflow vulnerability via the startIp parameter in the function formSetPPTPServer.

Understanding CVE-2022-37811

This CVE involves a critical stack overflow vulnerability in Tenda AC1206 V15.03.06.23 that can be exploited through the startIp parameter in the formSetPPTPServer function.

What is CVE-2022-37811?

The CVE-2022-37811 vulnerability in Tenda AC1206 V15.03.06.23 allows attackers to trigger a stack overflow by manipulating the startIp parameter, potentially leading to remote code execution or denial of service.

The Impact of CVE-2022-37811

The impact of this vulnerability is severe, as it can be exploited by remote attackers to compromise the affected system, execute arbitrary code, or cause a denial of service condition.

Technical Details of CVE-2022-37811

This section provides more detailed technical information about the CVE.

Vulnerability Description

The vulnerability arises from improper input validation in the startIp parameter of the formSetPPTPServer function, leading to a stack overflow condition.

Affected Systems and Versions

Tenda AC1206 V15.03.06.23 is confirmed to be affected by this vulnerability. Other versions may also be affected, so it is essential to check for updates or patches.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the affected device, causing a stack overflow and potentially gaining unauthorized access.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-37811, it is crucial to take immediate action and implement security measures.

Immediate Steps to Take

Update the firmware of the Tenda AC1206 device to the latest version provided by the vendor.
Restrict network access to the device to authorized personnel only.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all network devices to prevent known vulnerabilities.
Implement network segmentation to isolate critical devices from potentially compromised systems.

Patching and Updates

Check the vendor's official website or contact them directly to inquire about patches or updates addressing CVE-2022-37811.