D-Link DAP-1562 Null Pointer Dereference Vulnerability

A critical null pointer dereference vulnerability has been identified in the D-Link DAP-1562 access point, specifically in version 1.10. This issue arises in the HTTP POST request handler, within the 'pure_auth_check' function, where the 'a1' argument can be manipulated to cause a null pointer dereference. The vulnerability can be exploited remotely, leading to a denial-of-service condition by causing the device to crash or become unresponsive.

Impact

Exploitation of this vulnerability causes a null pointer dereference, which typically results in a crash or an unexpected termination of the application, disrupting normal functionality.

Remediation

It is recommended to use a firewall to block or restrict access to the vulnerable device.