CVE-2019-19223 : Security Advisory and Response

An issue with Access Control has been identified in the web administration interface of the D-Link DSL-2680 router (Firmware EU_1.03) that allows unauthorized individuals to trigger a router reboot without proper authentication.

Understanding CVE-2019-19223

A Broken Access Control vulnerability in the D-Link DSL-2680 web administration interface enables an attacker to reboot the router by submitting a reboot.html GET request without authentication.

What is CVE-2019-19223?

The vulnerability in the D-Link DSL-2680 router's web admin interface allows unauthorized users to reboot the router by sending a specific GET request without proper authentication.

The Impact of CVE-2019-19223

This vulnerability could be exploited by malicious actors to disrupt network services, cause downtime, and potentially gain unauthorized access to the router.

Technical Details of CVE-2019-19223

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The vulnerability lies in the Access Control mechanism of the D-Link DSL-2680 router's web administration interface, allowing unauthorized reboots.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specific reboot.html GET request to the router, bypassing authentication requirements.

Mitigation and Prevention

To address CVE-2019-19223, the following steps are recommended:

Immediate Steps to Take

Disable remote access to the router's administration interface if not required.
Regularly monitor network traffic for any suspicious activity.

Long-Term Security Practices

Keep router firmware up to date to patch known vulnerabilities.
Implement strong password policies and multi-factor authentication for admin access.

Patching and Updates

Check for firmware updates from D-Link and apply them promptly to mitigate the vulnerability.