Cracking WPA in 10 Hours or Less – /dev/ttyS0

The WiFi Protected Setup protocol is vulnerable to a brute force attack that allows an attacker to recover an access point’s WPS pin, and subsequently the WPA/WPA2 passphrase, in just a matter of hours.

This is something that I’ve been testing and using for a while now, but Stefan over at .braindump beat me to publication. Such is life. 🙂

Stefan’s code isn’t quite ready for release yet, so I’ve open-sourced Reaver, my WPS attack tool. Reaver is stable and has been tested against a variety of access points and WPS implementations.

Usage is simple; just specify the target BSSID and the monitor mode interface to use:

# reaver -i mon0 -b 00:01:02:03:04:05

For those interested, there is also a commercial version available with more features and speed improvements.

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