The Weintek cMT product line is vulnerable to code injection, which may allow an unauthenticated remote attacker to execute commands with root privileges on the operation system.
https://www.cisa.gov/uscert/ics/advisories/icsa-21-082-01
https://dl.weintek.com/public/Document/TEC/TEC21001E_cMT_EasyWeb_V1_Security_Issues.pdf