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According to this paper it is cracked: http://sviehb.files.wordpress.com/2011/12/viehboeck_wps.pdf

Using Reaver.

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This has been a known vulnerability for quite a long time now; your question doesn't really ask anything - in direct answer, no, WPS setups are not particularly secure or safe. –  Savara May 5 '12 at 15:03
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You ask and answer your own question. A simple google search shows your answer. Is there something else that you are getting at? –  schroeder May 5 '12 at 15:19
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closed as not a real question by schroeder, Scott Pack, Iszi, Rory Alsop May 14 '12 at 12:31

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

2 Answers

up vote 2 down vote accepted

Since the vulnerability reaver exploits is only in kind of authentication (PIN) the question should probably be rephrased to: Is WPS broken completely or only in parts.

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Simple answer - no.

If you read that paper you linked to, it details the problem.

It hasn't been safe for a long time.

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What do you mean not safe for a long time? any older proof of concepts? –  user101579 May 5 '12 at 20:17
    
Perhaps I should have specified - the paper you linked to made the issue public months ago. –  Rory Alsop May 5 '12 at 20:18
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