CVE-2018-15720: Logitech Harmony Hub Firmware

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

Logitech Harmony Hub before version 4.15.206 contained two hard-coded accounts in the XMPP server that gave remote users access to the local API.

Affected products

• Logitech Harmony Hub Firmware: before 4.15.206 (fixed in 4.15.206)

Published 2018-12-20. Last modified 2026-06-17.