References https://www.moxa.com.cn/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities https://www.cnvd.org.cn/flaw/show/CNVD-2023-64095 https://www.ithome.com.tw/news/166842 https://www.moxa.com/en/support/product-support/security-advisory/mpsa-241155-privilege-escalation-and-os-command-injection-vulnerabilities-in-cellular-routers,-secure-routers,-and-netwo https://www.moxa.com.cn/support/product-support/security-advisory/tn-4900-series-use-of-hard-coded-credentials-vulnerability https://www.nsfocus.net/vulndb/84143 https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities https://nvd.nist.gov/vuln/detail/CVE-2023-33238 https://www.bleepingcomputer.com/news/security/vulnerable-moxa-devices-expose-industrial-networks-to-attacks/ https://cve.imfht.com/vendor/Moxa