From helpnetsecurity.com
These vulnerabilities affect four popular TCP/IP stacks – namely FreeBSD, IPnet, Nucleus NET and NetX – which are commonly present in well-known IT software and popular IoT/OT firmware and have the potential to impact millions of IoT devices around the world.
FreeBSD is used for high-performance servers in millions of IT networks, including major web destinations such as Netflix and Yahoo. Meanwhile, IoT/OT firmware such as Siemens’ Nucleus NET has been used for decades in critical OT and IoT devices.