CVE-2023-24157 : Vulnerability Insights and Analysis

This CVE record was published on February 3, 2023, by MITRE. It highlights a command injection vulnerability in the TOTOLINK T8 V4.1.5cu router, specifically in the serverIp parameter within the updateWifiInfo function. Attackers can exploit this vulnerability to execute arbitrary commands via a malicious MQTT packet.

Understanding CVE-2023-24157

This section delves into the details of CVE-2023-24157, shedding light on the vulnerability and its potential impact.

What is CVE-2023-24157?

CVE-2023-24157 is a command injection vulnerability found in the TOTOLINK T8 V4.1.5cu router. It resides in the serverIp parameter within the updateWifiInfo function, enabling attackers to run unauthorized commands using a crafted MQTT packet.

The Impact of CVE-2023-24157

The impact of this vulnerability is significant as it allows malicious actors to execute arbitrary commands on affected devices, potentially leading to unauthorized access, data theft, or further compromise of the network.

Technical Details of CVE-2023-24157

In this section, we explore the technical aspects of CVE-2023-24157, including vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises due to improper input validation in the serverIp parameter of the updateWifiInfo function in TOTOLINK T8 V4.1.5cu, which can be exploited by attackers to inject and execute malicious commands.

Affected Systems and Versions

The vulnerability impacts TOTOLINK T8 V4.1.5cu routers. All versions are affected by this command injection flaw.

Exploitation Mechanism

To exploit CVE-2023-24157, attackers send a crafted MQTT packet containing malicious commands to the serverIp parameter, tricking the router into executing these unauthorized instructions.

Mitigation and Prevention

Protecting systems from CVE-2023-24157 requires immediate action, followed by the implementation of long-term security practices and timely patching.

Immediate Steps to Take

Disable any unnecessary services or features on the affected TOTOLINK T8 V4.1.5cu routers.
Monitor network traffic for any suspicious activity, especially related to MQTT packets.
Consider implementing network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update firmware and software on networking devices to patch known vulnerabilities.
Conduct security audits and penetration testing to proactively identify and address security weaknesses.
Educate users and IT staff on cybersecurity best practices to enhance overall security posture.

Patching and Updates

Contact TOTOLINK for information regarding patches or updates to address CVE-2023-24157. Ensure prompt installation of any released security fixes to mitigate the risk of exploitation.