CVE-2023-43893 : Security Advisory and Response

Netis N3Mv2-V1.0.1.865 was found to have a command injection vulnerability in the Wake-On-LAN (WoL) function, specifically through the wakeup_mac parameter. This flaw allows attackers to exploit the system using a carefully crafted payload.

Understanding CVE-2023-43893

This section delves into the details of the CVE-2023-43893 vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-43893?

The CVE-2023-43893 vulnerability resides in Netis N3Mv2-V1.0.1.865 and enables threat actors to execute arbitrary commands via the WoL feature by manipulating the wakeup_mac parameter.

The Impact of CVE-2023-43893

Exploiting this vulnerability can lead to unauthorized access, data theft, system compromise, and potentially the complete takeover of affected devices.

Technical Details of CVE-2023-43893

In this section, we explore the specifics of the vulnerability, including the description, affected systems and versions, and exploitation mechanisms.

Vulnerability Description

The command injection vulnerability in Netis N3Mv2-V1.0.1.865 allows attackers to inject and execute malicious commands through the wakeup_mac parameter in the Wake-On-LAN function.

Affected Systems and Versions

All versions of Netis N3Mv2-V1.0.1.865 are impacted by this vulnerability, exposing them to potential exploitation.

Exploitation Mechanism

Threat actors can exploit this vulnerability by sending a specially crafted payload to the vulnerable system's wakeup_mac parameter, triggering the execution of arbitrary commands.

Mitigation and Prevention

This section outlines the steps to mitigate the risks posed by CVE-2023-43893 and prevent potential exploitation.

Immediate Steps to Take

Disable the WoL feature on affected Netis N3Mv2-V1.0.1.865 devices to prevent exploitation via the wakeup_mac parameter.
Implement network segmentation and access controls to limit unauthorized access to vulnerable systems.

Long-Term Security Practices

Regularly monitor for security updates and patches from Netis to address known vulnerabilities in their devices.
Conduct security assessments and penetration testing to proactively identify and remediate potential security weaknesses.

Patching and Updates

Netis users are advised to apply the latest firmware updates provided by the vendor to patch the command injection vulnerability and enhance the security of their devices.