CVE-2020-15895 : What You Need to Know

An XSS vulnerability was found on D-Link DIR-816L devices 2.x before 1.10b04Beta02, allowing unfiltered output to be displayed on web pages.

Understanding CVE-2020-15895

This CVE identifies a cross-site scripting (XSS) issue affecting specific D-Link routers.

What is CVE-2020-15895?

CVE-2020-15895 is an XSS vulnerability discovered in D-Link DIR-816L devices, potentially leading to malicious script execution on web pages.

The Impact of CVE-2020-15895

The vulnerability could be exploited by attackers to inject and execute malicious scripts on the affected devices, compromising user data and device security.

Technical Details of CVE-2020-15895

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The issue arises from the lack of output filtration in the 'RESULT' parameter within the 'webinc/js/info.php' file, enabling the injection of unfiltered content into web pages.

Affected Systems and Versions

Product: D-Link DIR-816L devices
Versions: 2.x before 1.10b04Beta02

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the 'RESULT' parameter, which are then executed on the web pages viewed by users.

Mitigation and Prevention

Protecting systems from CVE-2020-15895 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the D-Link DIR-816L firmware to version 1.10b04Beta02 or later to patch the vulnerability.
Implement web application firewalls to filter and sanitize user inputs.

Long-Term Security Practices

Regularly monitor and audit web applications for vulnerabilities.
Educate users on safe browsing practices to mitigate XSS risks.
Employ security testing during the development phase to identify and address vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates provided by D-Link to address known vulnerabilities.