CVE-2025-61736: Johnson Controls Istarex, Istar Edge, Istar Ultra Lt, Istar Ultra , Istar Ultra SE

High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days.

Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.

Affected products

• Johnson Controls Istarex, Istar Edge, Istar Ultra Lt, Istar Ultra , Istar Ultra SE

Published 2025-12-17. Last modified 2026-06-17.