CVE-2019-5635: Belwith-Keeler Hickory Smart Ethernet Bridge Firmware

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A cleartext transmission of sensitive information vulnerability is present in Hickory Smart Ethernet Bridge from Belwith Products, LLC. Captured data reveals that the Hickory Smart Ethernet Bridge device communicates over the network to an MQTT broker without using encryption. This exposed the default username and password used to authenticate to the MQTT broker. This issue affects Hickory Smart Ethernet Bridge, model number H077646. The firmware does not appear to contain versioning information.

Affected products

• Belwith-Keeler Hickory Smart Ethernet Bridge Firmware: affected versions not specified

Published 2019-08-22. Last modified 2026-06-17.