ebyte na111-m

The ebyte na111-m tag on WindowsForum.com covers discussions about the Ebyte NA111-M RS485-to-Ethernet serial server, a small network appliance commonly used in industrial and operational technology environments. The primary content focuses on a critical security advisory from CISA regarding firmware version 9013-2-17, which contains 13 vulnerabilities that could allow remote attackers to fully compromise the device. These flaws include missing authentication, missing authorization, weak authentication, and cross-site request issues, rated at a CVSS score of 9.8. For IT and OT administrators, the tag highlights the importance of patching this device, which often bridges Ethernet management networks and serial-connected field equipment like PLCs and sensors. The tag serves as a resource for understanding the risks and remediation steps associated with this specific hardware.