CVE-2019-8392 : Vulnerability Insights and Analysis

A vulnerability has been found in D-Link DIR-823G devices using firmware version 1.02B03, allowing remote attackers to activate the Guest Wi-Fi feature.

Understanding CVE-2019-8392

This CVE involves a security issue in D-Link DIR-823G devices that can be exploited by attackers to enable Guest Wi-Fi remotely.

What is CVE-2019-8392?

The vulnerability in D-Link DIR-823G devices with firmware 1.02B03 allows unauthorized activation of Guest Wi-Fi through a specific API.

The Impact of CVE-2019-8392

Remote attackers can exploit this vulnerability to enable Guest Wi-Fi without proper authorization.

Technical Details of CVE-2019-8392

This section provides technical details about the vulnerability.

Vulnerability Description

The flaw in access control on D-Link DIR-823G devices with firmware 1.02B03 permits attackers to activate Guest Wi-Fi via a specific HNAP API.

Affected Systems and Versions

Product: D-Link DIR-823G
Firmware Version: 1.02B03

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by using the SetWLanRadioSettings HNAP API in the web service provided by /bin/goahead.

Mitigation and Prevention

Protect your systems from CVE-2019-8392 with the following steps:

Immediate Steps to Take

Disable remote access to the router's administration interface.
Regularly check for firmware updates from D-Link.

Long-Term Security Practices

Implement strong and unique passwords for router access.
Monitor network traffic for any suspicious activity.

Patching and Updates

Apply firmware updates provided by D-Link to address this vulnerability.