BroadPwn Exploit

Discussion in 'iMac' started by CheMillan, Jul 24, 2017.

  1. CheMillan macrumors member


    Jan 5, 2015
    Los Angeles

    The Wi-Fi Broadcom firmware version of my 2013 iMac is: Broadcom BCM43xx 1.0 (
    My iMac has Yosemite 10.10.5, Safari 10.1.2, and Security Update 2017-003 installed. I would like to know if my iMac is vulnerable to the BroadPwn exploit. Thanks
  2. inaka macrumors 6502

    Apr 26, 2010
    Yes, your iMac is vulnerable to the BroadPwn exploit.
    That security update did not address the BroadPwn exploit.
    There is currently no "fix" for that specific exploit for Mac OS X 10.11 or earlier, other than turning off Wifi.
  3. cynics macrumors G4

    Jan 8, 2012
    Any reason in particular you are sticking with Yosemite? I understand the "if it ain't broke" mentality but in my experience Yosemite was the worst performing OSX release the 2013 iMac had.
    --- Post Merged, Jul 26, 2017 ---
    BTW, do you have a source for this? Yosemite security update 2017-003 was released from Apple the same day they patched the exploit in the rest of their line up.
  4. chrfr macrumors 604

    Jul 11, 2009
    It's right in the security notes for the update. The wifi patch only applies to 10.12.6.
    Notice how 10.10.5 and 10.11.6 are not mentioned in the "available for" section.

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