CVE-2020-26733 : Security Advisory and Response

This CVE involves a Cross Site Scripting (XSS) vulnerability in the Configuration page of SKYWORTH GN542VF Hardware Version 2.0 and Software Version 2.0.0.16, allowing an authenticated attacker to inject malicious scripts.

Understanding CVE-2020-26733

This vulnerability poses a risk of unauthorized script injection by authenticated attackers.

What is CVE-2020-26733?

The CVE-2020-26733 vulnerability is a Cross Site Scripting (XSS) issue in the Configuration page of SKYWORTH GN542VF Hardware Version 2.0 and Software Version 2.0.0.16. It enables authenticated attackers to insert their own scripts through the DDNS Configuration Section.

The Impact of CVE-2020-26733

The vulnerability allows attackers to execute malicious scripts within the context of the affected site, potentially leading to various security risks such as data theft, unauthorized actions, and account compromise.

Technical Details of CVE-2020-26733

This section provides more technical insights into the CVE.

Vulnerability Description

The XSS vulnerability in the Configuration page of SKYWORTH GN542VF Hardware Version 2.0 and Software Version 2.0.0.16 permits authenticated attackers to inject malicious scripts via the DDNS Configuration Section.

Affected Systems and Versions

Affected Systems: SKYWORTH GN542VF Hardware Version 2.0
Affected Software Versions: 2.0.0.16

Exploitation Mechanism

The vulnerability can be exploited by authenticated attackers injecting malicious scripts through the DDNS Configuration Section, potentially compromising the security of the system.

Mitigation and Prevention

Protecting systems from CVE-2020-26733 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor and restrict access to the Configuration page to authorized personnel only.
Regularly review and validate configurations to detect unauthorized changes.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify vulnerabilities.
Educate users on safe browsing practices and the risks of XSS attacks.
Implement web application firewalls and security mechanisms to filter and sanitize user inputs.

Patching and Updates

Ensure that all affected systems are updated with the latest patches and security updates to mitigate the XSS vulnerability effectively.