CVE-2018-8851: Echelon I.lon 100 Firmware

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Echelon SmartServer 1 all versions, SmartServer 2 all versions prior to release 4.11.007, i.LON 100 all versions, and i.LON 600 all versions. The devices store passwords in plaintext, which may allow an attacker with access to the configuration file to log into the SmartServer web user interface.

Affected products

• Echelon I.lon 100 Firmware: affected versions not specified
• Echelon I.lon 600 Firmware: affected versions not specified
• Echelon Smartserver 1 Firmware: affected versions not specified
• Echelon Smartserver 2 Firmware: before 4.11.007 (fixed in 4.11.007)

Published 2018-07-24. Last modified 2026-06-17.