Researchers at Armis Labs have discovered 11 potentially serious security flaws affecting the Wind River VxWorks real-time operating system (RTOS), described by the company as “the most widely used operating system you may never have heard about”. Collectively named ‘Urgent/11’ by Armis Labs, the flaws affect an estimated 200 million devices going back to an earlier version of VxWorks in 2006, including routers, modems, firewalls, printers, VoIP phones, SCADA systems, IoT, and even MRI machines and elevators.

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