CVE-2023-41348 : Security Advisory and Response

A critical vulnerability has been discovered in ASUS RT-AX55 that could allow remote attackers to execute arbitrary commands through a Command Injection attack. Here's what you need to know about CVE-2023-41348.

Understanding CVE-2023-41348

CVE-2023-41348 is a security flaw in ASUS RT-AX55's authentication-related function due to insufficient filtering of special characters. This vulnerability enables authenticated remote attackers to execute malicious commands, disrupt system operations, or terminate services.

What is CVE-2023-41348?

The vulnerability in ASUS RT-AX55 allows attackers to exploit the code-authentication module, leading to Command Injection and unauthorized execution of commands on the affected system.

The Impact of CVE-2023-41348

The impact of CVE-2023-41348 is rated as high severity with a CVSS base score of 8.8. Attackers can achieve remote code execution, compromise system confidentiality, integrity, and availability, requiring low privileges for exploitation.

Technical Details of CVE-2023-41348

The vulnerability is categorized under CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'). The CAPEC-88 identifier is tied to the attack method of OS Command Injection.

Vulnerability Description

The flaw arises from insufficient filtering of special characters in the code-authentication module of ASUS RT-AX55, enabling attackers to inject and execute arbitrary commands.

Affected Systems and Versions

ASUS RT-AX55 version 3.0.0.4.386.51598 is confirmed to be impacted by this vulnerability, exposing systems to potential exploitation.

Exploitation Mechanism

Remote attackers with authentication privileges can leverage this vulnerability to perform Command Injection attacks, enabling them to execute unauthorized commands on the target system.

Mitigation and Prevention

To safeguard systems against CVE-2023-41348, immediate action and long-term security practices should be implemented.

Immediate Steps to Take

Users are advised to update their ASUS RT-AX55 devices to version 3.0.0.4.386_51948 to mitigate the vulnerability and prevent potential exploitation.

Long-Term Security Practices

In addition to applying the patch, users should follow security best practices, including network segmentation, access control, and regular security updates.

Patching and Updates

Regularly monitoring vendor advisories and applying security patches promptly is crucial to maintaining a secure network environment.