CVE-2023-51729 : Exploit Details and Defense Strategies

A stored Cross-Site Scripting (XSS) vulnerability in the Skyworth Router CM5100 has been reported, affecting version 4.1.1.24. This vulnerability, reported by security researchers from CoE-CNDS Lab, VJTI Mumbai, India, could allow remote attackers to execute malicious scripts on targeted systems.

Understanding CVE-2023-51729

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2023-51729.

What is CVE-2023-51729?

CVE-2023-51729 refers to a stored XSS vulnerability in the Skyworth Router CM5100, version 4.1.1.24. The flaw stems from insufficient validation of user-supplied input for the DDNS Username parameter, accessible via the web interface.

The Impact of CVE-2023-51729

Exploiting this vulnerability allows remote attackers to execute stored XSS attacks on the affected system. Successful exploitation could lead to severe consequences, compromising system integrity and confidentiality.

Technical Details of CVE-2023-51729

Let's explore the technical aspects of the vulnerability in detail.

Vulnerability Description

The vulnerability arises due to insufficient validation of user-supplied input for the DDNS Username parameter in the Skyworth Router CM5100, version 4.1.1.24. Attackers can exploit this flaw by injecting specially crafted input through the web interface, enabling the execution of malicious scripts.

Affected Systems and Versions

The vulnerability affects Skyworth Router CM5100 with version 4.1.1.24. Systems running this specific version are susceptible to exploitation.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by providing crafted input to the DDNS Username parameter via the web interface. This interaction triggers the execution of malicious scripts on the targeted system.

Mitigation and Prevention

To address CVE-2023-51729 and enhance system security, consider implementing the following mitigation strategies:

Immediate Steps to Take

Upgrade the affected system to the latest version 4.1.1.25 or newer to mitigate the stored XSS vulnerability effectively.

Long-Term Security Practices

Maintain a robust web security posture by regularly validating and sanitizing user inputs to prevent XSS attacks and other security vulnerabilities.

Patching and Updates

Stay informed about security patches and updates released by the vendor to address known vulnerabilities promptly.