CVE-2023-31188 : Security Advisory and Response

A detailed guide on the OS command injection vulnerability in multiple TP-LINK products.

Understanding CVE-2023-31188

In this CVE, multiple TP-LINK products are vulnerable to OS command injection, allowing an authenticated attacker to execute arbitrary OS commands.

What is CVE-2023-31188?

The vulnerability in multiple TP-LINK products, including Archer C50, Archer C55, and Archer C20, enables a network-adjacent authenticated attacker to execute arbitrary OS commands.

The Impact of CVE-2023-31188

The exploitation of this vulnerability can lead to unauthorized access, data exfiltration, and potential system compromise on affected devices.

Technical Details of CVE-2023-31188

This section explores the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability allows an attacker to inject and execute malicious OS commands on the affected TP-LINK products, compromising their security.

Affected Systems and Versions

Archer C50: Firmware versions prior to 'Archer C50(JP)_V3_230505'
Archer C55: Firmware versions prior to 'Archer C55(JP)_V1_230506'
Archer C20: Firmware versions prior to 'Archer C20(JP)_V1_230616'

Exploitation Mechanism

An authenticated attacker positioned adjacent to the network can exploit the vulnerability by sending malicious commands, thereby gaining unauthorized control over the affected devices.

Mitigation and Prevention

Learn how to secure your systems against CVE-2023-31188.

Immediate Steps to Take

Update the firmware of TP-LINK Archer C50, C55, and C20 to the recommended versions to mitigate the vulnerability.
Restrict network access to trusted entities to minimize the risk of exploitation.

Long-Term Security Practices

Regularly monitor vendor updates for security patches and apply them promptly to address potential vulnerabilities.
Implement network segmentation and access controls to limit the attack surface and protect critical assets.

Patching and Updates

Stay informed about security advisories and updates from TP-LINK to stay ahead of emerging threats and secure your network effectively.