A year after patches for URGENT/11 and CDPwn, a batch of vulnerabilities affecting operational technology (OT) hardware remained unpatched a year later, a study has found. Hundreds of millions of devices are exposed to attacks that could be prevented by installing patches. The report only serves as a renewed warning to originations worldwide to install the patches and protect sensitive infrastructure. The vulnerabilities affect enterprise and medical devices, as well as industrial control systems (ICS) and programmable logic controllers (PLC)”]