CVE-2022-25447 : Vulnerability Insights and Analysis

Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the schedendtime parameter in the openSchedWifi function.

Understanding CVE-2022-25447

This CVE relates to a stack overflow vulnerability found in Tenda AC6 v15.03.05.09_multi.

What is CVE-2022-25447?

CVE-2022-25447 is a vulnerability in the Tenda AC6 router that allows attackers to trigger a stack overflow via a specific parameter.

The Impact of CVE-2022-25447

Exploiting this vulnerability could lead to denial of service (DoS) attacks or potential remote code execution on affected devices.

Technical Details of CVE-2022-25447

This section covers the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from improper handling of input in the schedendtime parameter, resulting in a stack overflow.

Affected Systems and Versions

Tenda AC6 router with the specific version v15.03.05.09_multi is impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending malicious input to the schedendtime parameter, causing a stack overflow.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2022-25447.

Immediate Steps to Take

Ensure that your Tenda AC6 router is not exposed to the internet and apply security best practices to protect against potential attacks.

Long-Term Security Practices

Regularly update the firmware of your Tenda AC6 router and stay informed about security updates from the vendor.

Patching and Updates

Keep an eye out for patches released by Tenda to address CVE-2022-25447 and apply them promptly to secure your device.