SmartNode SN200 (aka SN200) 3.21.2-23021 allows unauthenticated OS Command Injection.
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-019.txt
http://seclists.org/fulldisclosure/2023/Nov/12
http://packetstormsecurity.com/files/175945/SmartNode-SN200-3.21.2-23021-OS-Command-Injection.html