Broadcom BCM43xx Wi-Fi chips allow remote attackers to execute arbitrary code via unspecified vectors, aka the βBroadpwnβ issue.
seclists.org/fulldisclosure/2019/May/24
www.securityfocus.com/bid/99482
www.securitytracker.com/id/1038950
www.securitytracker.com/id/1039330
lists.debian.org/debian-lts-announce/2018/11/msg00015.html
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-9417
seclists.org/bugtraq/2019/May/30
source.android.com/security/bulletin/2017-07-01
support.apple.com/kb/HT210121
www.blackhat.com/us-17/briefings.html#broadpwn-remotely-compromising-android-and-ios-via-a-bug-in-broadcoms-wi-fi-chipsets