Provide references for CVE-2021-33823.
Where can I find more information about CVE-2021-33823?
References are available at: https://www.moxa.com/en/products/industrial-edge-connectivity/protocol-gateways/modbus-tcp-gateways/mgate-mb3180-mb3280-mb3480-series, https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33823.md.