Armis Labs Labs research team discovered 11 vulnerabilities affecting a different part of IPnet, the TCP/IP stack in VxWorks. The bugs affect different versions of the OS, the earliest one being 6.5, released in 2006. Vulnerabilities affect SCADA, elevator and industrial controllers, patient monitors, MRI machines, firewalls, routers, satellite modems, VOIP phones, and printers likely impacted. The flaws are available since July 19 and the company advised customers and end users to apply the update.
Source: https://www.bleepingcomputer.com/news/security/urgent-11-vxworks-rtos-vulnerabilities-found-critical-systems-affected/