The Treck TCP/IP stack before 6.0.1.66 allows Remote Code execution via a single invalid DNS response.
https://www.tenable.com/cyber-exposure/2020-threat-landscape-retrospective
https://www.kb.cert.org/vuls/id/257161/
https://www.kb.cert.org/vuls/id/257161
https://www.jsof-tech.com/ripple20/
https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities
https://jsof-tech.com/vulnerability-disclosure-policy/
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt