CVE-2019-19225 : What You Need to Know

D-Link DSL-2680 (Firmware EU_1.03) web administration interface is vulnerable to Broken Access Control, allowing unauthorized alteration of DNS servers.

Understanding CVE-2019-19225

This CVE identifies a security flaw in the D-Link DSL-2680 router's web interface that permits DNS server manipulation without authentication.

What is CVE-2019-19225?

The vulnerability in the D-Link DSL-2680 (Firmware EU_1.03) web admin interface allows attackers to change DNS server settings without needing authentication by sending a specially crafted POST request.

The Impact of CVE-2019-19225

This vulnerability enables malicious actors to redirect network traffic by altering DNS settings, potentially leading to various security risks such as phishing attacks or traffic interception.

Technical Details of CVE-2019-19225

The technical aspects of this CVE are as follows:

Vulnerability Description

The vulnerability is due to Broken Access Control in the web administration interface of the D-Link DSL-2680 router.

Affected Systems and Versions

Product: D-Link DSL-2680
Version: Firmware EU_1.03

Exploitation Mechanism

Attackers can exploit this vulnerability by submitting a specifically crafted Forms/dns_1 POST request to the admin interface.

Mitigation and Prevention

Protect your system from CVE-2019-19225 with the following measures:

Immediate Steps to Take

Disable remote access to the router's administration interface.
Regularly monitor DNS settings for unauthorized changes.
Implement strong, unique passwords for router access.

Long-Term Security Practices

Keep router firmware up to date to patch known vulnerabilities.
Conduct regular security audits to identify and address potential weaknesses.

Patching and Updates

Check D-Link's security bulletin for patches and updates related to CVE-2019-19225.