CVE-2020-25786 Explained : Impact and Mitigation

This CVE involves a cross-site scripting (XSS) vulnerability in webinc/js/info.php on D-Link DIR-816L 2.06.B09_BETA and DIR-803 1.04.B02 devices, allowing XSS via the HTTP Referer header.

Understanding CVE-2020-25786

This vulnerability affects unsupported D-Link products due to XSS via the Referer header.

What is CVE-2020-25786?

The vulnerability allows XSS attacks on specific D-Link devices through the HTTP Referer header, impacting unsupported products.

The Impact of CVE-2020-25786

Limited exploitability due to URL encoding and restrictions on additional HTTP requests with arbitrary Referer headers.

Technical Details of CVE-2020-25786

This section provides technical insights into the vulnerability.

Vulnerability Description

XSS vulnerability in webinc/js/info.php on D-Link DIR-816L 2.06.B09_BETA and DIR-803 1.04.B02 devices.

Affected Systems and Versions

D-Link DIR-816L 2.06.B09_BETA
D-Link DIR-803 1.04.B02

Exploitation Mechanism

XSS exploitation via the HTTP Referer header.

Mitigation and Prevention

Learn how to protect your systems from this vulnerability.

Immediate Steps to Take

Avoid using unsupported D-Link products.
Implement strict input validation to prevent XSS attacks.

Long-Term Security Practices

Regularly update and patch devices to mitigate vulnerabilities.

Patching and Updates

Check for security advisories from D-Link and apply patches promptly.