CVE-2022-36570 : What You Need to Know

This article provides detailed information about CVE-2022-36570, a vulnerability found in Tenda AC9 V15.03.05.19 that allows for a stack overflow via the time parameter at /goform/SetLEDCfg.

Understanding CVE-2022-36570

CVE-2022-36570 is a security vulnerability identified in Tenda AC9 V15.03.05.19, posing a risk of a stack overflow through the time parameter in the /goform/SetLEDCfg endpoint.

What is CVE-2022-36570?

The CVE-2022-36570 vulnerability in Tenda AC9 V15.03.05.19 enables an attacker to trigger a stack overflow by manipulating the time parameter within the /goform/SetLEDCfg path.

The Impact of CVE-2022-36570

Exploitation of CVE-2022-36570 could lead to unauthorized access, code execution, or denial of service, potentially compromising the security and integrity of the affected device.

Technical Details of CVE-2022-36570

Here are the technical specifics related to CVE-2022-36570:

Vulnerability Description

The vulnerability arises due to inadequate input validation in the time parameter of the /goform/SetLEDCfg function in Tenda AC9 V15.03.05.19, allowing an attacker to overrun the stack.

Affected Systems and Versions

Tenda AC9 V15.03.05.19 is confirmed to be impacted by CVE-2022-36570, making devices running this version susceptible to exploitation.

Exploitation Mechanism

An attacker can exploit this vulnerability by sending malicious input through the time parameter, triggering a stack overflow that can be leveraged for various malicious activities.

Mitigation and Prevention

To safeguard systems from CVE-2022-36570, implement the following mitigation strategies:

Immediate Steps to Take

Disable remote access to the device if not necessary.
Monitor network traffic for any suspicious activity targeting the /goform/SetLEDCfg endpoint.

Long-Term Security Practices

Regularly update the firmware of Tenda AC9 routers to patch known vulnerabilities.
Perform security assessments to identify and remediate potential weaknesses in networked devices.

Patching and Updates

Stay informed about security advisories from Tenda and apply patches promptly to address CVE-2022-36570 and other vulnerabilities.