Multiple buffer overflows in kernel in Intel Trusted Execution Engine Firmware 3.0 allow attacker with local access to the system to execute arbitrary code.
https://www.synology.com/support/security/Synology_SA_17_73
https://www.asus.com/News/wzeltG5CjYaIwGJ0
https://twitter.com/PTsecurity_UK/status/938447926128291842
https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00086&languageid=en-fr
https://cert-portal.siemens.com/productcert/pdf/ssa-892715.pdf