CISA Slaps a 9.8 on the Serial Server Next to Your 3D Printer: Ebyte NA111-M, 13 CVEs, Six of Them Critical
ICSA-26-239-05 rates the under-$40 Ebyte NA111-M RS485-to-Ethernet gateway with 13 CVEs on firmware 9013-2-17 — six of them CVSS 9.8, including an unauthenticated admin interface and cleartext MQTT. If you bolt one onto a PLC, a printer, or an e-bike, read this.