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I have a ddwrt running on a TP-Link TL-WDR4300 v1.x. Build is 21061.

First question is, if the build is already the version number of the ddwrt software?

And how can I make sure that the wpa_supplicant and hostapd patches are applied there? Or is there no patch available yet for ddwrt and KRACK?

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  • As I understand it, the flaw being exploited has to do with the client’s role in the key handshake, not the AP’s. So it’s important to patch devices acting in client roles, not so much APs. Is your box acting as a Wi-Fi client?
    – Spiff
    Oct 17, 2017 at 0:09
  • DDwrt has already received a patch for this vulnerability but you have to compile from source.
    – Ramhound
    Oct 17, 2017 at 0:20
  • m.windowscentral.com/… in theory only the patched file would have to be replaced but research the advised approach by the ddwrt community
    – Ramhound
    Oct 17, 2017 at 0:27

2 Answers 2

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You are on a pretty old build for DDWRT. Download r33525 from 2017 betas folder. This one has the KRACK patch. The update was released on 17th October, 2017.

Link: http://www.dd-wrt.com/site/support/other-downloads

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  • isnt there the risk of bricking my device with a beta? but stable is from 2008.....
    – Jeno
    Oct 18, 2017 at 7:25
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    I have been using these betas for a year now without issues. Infact, I had some problems with the stable version that seem to be gone with these recent betas. They haven't released a stable version for so long and these betas continue to provide performance optimizations, UI changes, tweaks and in this case the much needed security update.
    – Zain Ally
    Oct 19, 2017 at 8:48
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DD-WRT has released their patch. Visit their support website. You'll find there.

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