CVE-2022-41517 : Vulnerability Insights and Analysis

A stack overflow vulnerability was discovered in TOTOLINK NR1800X V9.1.0u.6279_B20210910 in the lang parameter of the setLanguageCfg function.

Understanding CVE-2022-41517

This section provides insights into the impact and technical details of CVE-2022-41517.

What is CVE-2022-41517?

CVE-2022-41517 is a vulnerability found in TOTOLINK NR1800X V9.1.0u.6279_B20210910, exposing a stack overflow issue in the lang parameter of the setLanguageCfg function.

The Impact of CVE-2022-41517

The vulnerability could allow remote attackers to execute arbitrary code or cause a denial of service by sending crafted requests to the affected device.

Technical Details of CVE-2022-41517

In this section, we delve into the specific technical aspects of the CVE.

Vulnerability Description

The stack overflow vulnerability exists in the lang parameter of the setLanguageCfg function in TOTOLINK NR1800X V9.1.0u.6279_B20210910.

Affected Systems and Versions

The affected system is TOTOLINK NR1800X V9.1.0u.6279_B20210910 with the lang parameter in the setLanguageCfg function.

Exploitation Mechanism

By exploiting the stack overflow in the lang parameter, threat actors could launch attacks to execute malicious code or disrupt services on the device.

Mitigation and Prevention

Here we discuss the steps to mitigate the risks associated with CVE-2022-41517.

Immediate Steps to Take

Users should update the firmware of TOTOLINK NR1800X to a patched version that addresses the stack overflow vulnerability.

Long-Term Security Practices

Implement network segmentation, regularly monitor for unusual activities, and restrict external access to the device to enhance security.

Patching and Updates

Stay informed about security patches released by TOTOLINK and promptly apply them to ensure the device's protection.