CVE-2023-49417 : Vulnerability Insights and Analysis

A stack overflow vulnerability has been identified in TOTOLink A7000R V9.1.0u.6115_B20201022 through the setOpModeCfg function.

Understanding CVE-2023-49417

This section dives into the details of the CVE-2023-49417 vulnerability.

What is CVE-2023-49417?

The CVE-2023-49417 vulnerability is present in TOTOLink A7000R V9.1.0u.6115_B20201022 due to a stack overflow issue in the setOpModeCfg.

The Impact of CVE-2023-49417

This vulnerability could allow an attacker to execute arbitrary code or crash the device, potentially leading to a denial of service (DoS) condition.

Technical Details of CVE-2023-49417

This section delves into the technical aspects of the CVE-2023-49417 vulnerability.

Vulnerability Description

The stack overflow vulnerability in TOTOLink A7000R V9.1.0u.6115_B20201022 can be exploited via the setOpModeCfg function, posing a significant risk to the device's security.

Affected Systems and Versions

All versions of TOTOLink A7000R V9.1.0u.6115_B20201022 are affected by CVE-2023-49417, making them vulnerable to exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted input to the setOpModeCfg function, triggering the stack overflow condition.

Mitigation and Prevention

This section outlines steps to mitigate and prevent the CVE-2023-49417 vulnerability.

Immediate Steps to Take

It is recommended to update the firmware of TOTOLink A7000R to the latest version provided by the vendor to patch the stack overflow vulnerability.

Long-Term Security Practices

Implement network segmentation, least privilege access controls, and regular security updates to enhance the overall security posture of the device.

Patching and Updates

Regularly check for updates and security patches released by TOTOLink for A7000R, ensuring that the device is protected against known vulnerabilities.