CVE-2022-36569 : Exploit Details and Defense Strategies

A stack overflow vulnerability was discovered in Tenda AC9 V15.03.05.19 through the deviceList parameter at /goform/setMacFilterCfg.

Understanding CVE-2022-36569

This section will cover what CVE-2022-36569 is, its impact, technical details, and mitigation steps.

What is CVE-2022-36569?

The CVE-2022-36569 involves a stack overflow vulnerability in Tenda AC9 V15.03.05.19 through the deviceList parameter at /goform/setMacFilterCfg.

The Impact of CVE-2022-36569

The vulnerability can be exploited by attackers to potentially execute arbitrary code or cause a denial of service (DoS) condition on the affected device.

Technical Details of CVE-2022-36569

Let's dive into the technical aspects of this vulnerability.

Vulnerability Description

The vulnerability exists in the deviceList parameter of Tenda AC9 V15.03.05.19 at /goform/setMacFilterCfg, leading to a stack overflow.

Affected Systems and Versions

Tenda AC9 V15.03.05.19 is confirmed to be affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted input to the deviceList parameter, triggering the stack overflow.

Mitigation and Prevention

Taking immediate measures and adopting long-term security practices is crucial to mitigate the risks associated with CVE-2022-36569.

Immediate Steps to Take

Users are advised to update the firmware of Tenda AC9 to the latest version provided by the vendor.

Long-Term Security Practices

Regularly monitor for security updates and patches released by Tenda to protect against potential threats.

Patching and Updates

Stay informed about security bulletins and promptly apply patches to safeguard the Tenda AC9 router from exploitation.