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WPS Null Pin

WPS Null Pin Attack

WPS, or Wi-Fi Protected Setup, is a network security standard designed to simplify the process of connecting devices to a wireless network. However, it's vulnerable to several types of attacks, one of which is the WPS Null Pin attack.

How WPS Null Pin Attack Works

The WPS Null Pin attack takes advantage of a flaw in the implementation of the WPS protocol where an empty or null PIN—essentially a PIN consisting of all zeroes—can be accepted by a router or access point as a valid means of authentication.

Example of a command used in a WPS Null Pin attack with a tool like Reaver:

reaver -i wlan0mon -b 00:90:4C:C1:AC:21 -p "\x00\x00\x00\x00\x00\x00\x00\x00"

Preventing WPS Null Pin Attacks

To secure a network against WPS Null Pin attacks, it's advisable to:

  • Disable WPS on your router.
  • Regularly update router firmware to ensure any security patches for WPS are applied.
  • Monitor network authentication attempts to detect unusual patterns that may indicate an attack in progress.