CVE-2022-28970 : What You Need to Know

Tenda AX1806 v1.0.0.1 was discovered to contain a heap overflow via the mac parameter in the function GetParentControlInfo, leading to a Denial of Service (DoS) attack.

Understanding CVE-2022-28970

This CVE identifies a vulnerability in Tenda AX1806 v1.0.0.1 that can be exploited by attackers to trigger a Denial of Service condition.

What is CVE-2022-28970?

The vulnerability in Tenda AX1806 v1.0.0.1 allows attackers to perform a heap overflow by manipulating the mac parameter within the GetParentControlInfo function.

The Impact of CVE-2022-28970

Exploiting this vulnerability can result in a Denial of Service (DoS) condition, potentially disrupting the normal operation of the affected device or system.

Technical Details of CVE-2022-28970

Below are technical details surrounding CVE-2022-28970:

Vulnerability Description

The vulnerability arises from a heap overflow triggered by the mac parameter within the GetParentControlInfo function in Tenda AX1806 v1.0.0.1.

Affected Systems and Versions

Only the specific version of Tenda AX1806, v1.0.0.1, is impacted by this vulnerability as reported.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input for the mac parameter, causing a heap overflow and potentially leading to a Denial of Service.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-28970, consider the following steps:

Immediate Steps to Take

Update Tenda AX1806 devices to the latest firmware version to patch the vulnerability.
Apply network segmentation to minimize the impact of a potential DoS attack.

Long-Term Security Practices

Regularly monitor security advisories from Tenda and apply patches promptly.
Implement strong network security measures to prevent unauthorized access.

Patching and Updates

Vendor-supplied patches addressing CVE-2022-28970 should be applied as soon as they are available to ensure the security of Tenda AX1806 v1.0.0.1 devices.