Design/Logic Flaw

Apple Software Update before 2.2 on Windows does not use HTTPS, which makes it easier for man-in-the-middle attackers to spoof updates by modifying the client-server data stream...

CVE-2013-6952

The Belkin WeMo Home Automation firmware before 3949 has a hardcoded GPG key, which makes it easier for remote attackers to spoof firmware updates and execute arbitrary code via crafted signed data...