CVE-2021-22739: Schneider Electric Homelynk Firmware

Medium severity, CVSS 5.9. EPSS: 0.8% chance of exploitation in the next 30 days.

Information Exposure vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause a device to be compromised when it is first configured.

Affected products

• Schneider Electric Homelynk Firmware: up to and including 2.6.0
• Schneider Electric Spacelynk Firmware: up to and including 2.6.0

Published 2021-05-26. Last modified 2026-06-17.