CVE-2023-51721 Explained : Impact and Mitigation

A stored cross-site scripting vulnerability in Skyworth Router CM5100 version 4.1.1.24 has been identified and reported by security researchers from CoE-CNDS Lab, VJTI Mumbai, India.

Understanding CVE-2023-51721

This CVE-2023-51721 vulnerability exists in the Skyworth Router CM5100, affecting version 4.1.1.24 due to insufficient validation of user-supplied input for the Time Server 2 parameter on its web interface.

What is CVE-2023-51721?

The CVE-2023-51721 vulnerability allows a remote attacker to execute stored cross-site scripting attacks by providing specially crafted input through the vulnerable system's web interface.

The Impact of CVE-2023-51721

Successful exploitation of this vulnerability could permit attackers to perform stored XSS attacks on the targeted system, potentially compromising its integrity.

Technical Details of CVE-2023-51721

Vulnerability Description

The vulnerability arises from the lack of proper validation for user-supplied input, specifically affecting the Time Server 2 parameter on the web interface.

Affected Systems and Versions

The Skyworth Router CM5100 with version 4.1.1.24 is confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by providing malicious input to the vulnerable system's web interface, enabling the execution of stored XSS attacks.

Mitigation and Prevention

To safeguard against CVE-2023-51721, immediate actions and long-term measures are recommended.

Immediate Steps to Take

Users are advised to upgrade their Skyworth Router CM5100 to version 4.1.1.25 or the latest release to mitigate the vulnerability.

Long-Term Security Practices

In addition to patching, users should implement robust security practices, including regular updates and security audits.

Patching and Updates

Ensure timely installation of security patches and updates to prevent potential exploitation of vulnerabilities.