D-Link DIR-816 A2 WiFi Settings Improper Access Control Vulnerability

A critical vulnerability has been identified in the D-Link DIR-816 A2 router, specifically in version 1.10CNB05_R1B011D88210. The issue arises in the WiFi Settings Handler, within the file '/goform/form2AdvanceSetup.cgi'. This vulnerability allows for improper access controls, enabling unauthorized users to manipulate settings or access restricted features. The vulnerability can be exploited remotely, without any authentication requirements.

Impact

Exploitation of this vulnerability could lead to unauthorized access or manipulation of WiFi settings on the affected router, potentially allowing for unauthorized network access or interference with network operations.

Remediation

It is recommended to implement firewall rules to block unauthorized access to the vulnerable component. Users should also check for any available firmware updates from D-Link that address this vulnerability.