Back to Database
Status published
High
CVE-2025-61736
iSTAR- Improper Validation of Certificate Expiration
Vulnerability Description
Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-61736
Credits & Attribution
No credits recorded in the NVD database.
References
More from Johnson Controls
View All →CVE-2025-61740
Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4, PowerG Origin Validation Error
High
7.2
CVE-2025-61739
Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4, PowerG reusing a nonce, key pair in encryption
High
7.2
CVE-2025-61738
Johnson Controls PowerG and IQPanel cleartext transmission of sensitive information
Low
2.3
CVE-2025-43876
iSTAR Ultra, Ultra SE, Ultra G2, Ultra G2 SE, iSTAR Edge G2 - Authenticated web application command injection - get8021xSettings
High
8.7
CVE-2025-43875
iSTAR Ultra, Ultra SE, Ultra G2, Ultra G2 SE, iSTAR Edge G2 - Authenticated web application command injection - getOptionsInfo
High
8.7
Affected Vendor
Johnson Controls
View all reports →Affected Software
iSTAReX, iSTAR Edge, iSTAR Ultra LT, iSTAR Ultra , iSTAR Ultra SE
Vulnerable Versions:
iSTAR All versions prior to TLS 1.2
Timeline
Official Publish:
December 17th, 2025
Last Modified:
December 17th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.