CVE-2020-23639: Moxa Vport 461 Firmware

Critical severity, CVSS 9.8. EPSS: 3.2% chance of exploitation in the next 30 days.

A command injection vulnerability exists in Moxa Inc VPort 461 Series Firmware Version 3.4 or lower that could allow a remote attacker to execute arbitrary commands in Moxa's VPort 461 Series Industrial Video Servers.

Affected products

  • Moxa Vport 461 Firmware: up to and including 3.4

Published 2020-11-02. Last modified 2026-06-17.