CVE-2025-61736: iSTAR- Improper Validation of Certificate Expiration
Johnson Controls · iSTAReX, iSTAR Edge, iSTAR Ultra LT, iSTAR Ultra , iSTAR Ultra SE
Vendor fix available · Affected: Johnson Controls iSTAReX, iSTAR Edge, iSTAR Ultra LT, iSTAR Ultra , iSTAR Ultra SE · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 1% of scored CVEs
DescriptionCVE.org
Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Johnson Controls · iSTAReX, iSTAR Edge, iSTAR Ultra LT, iSTAR Ultra , iSTAR Ultra SEiSTAR All versions prior to TLS 1.2
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Johnson Controls
- Published
- December 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-61736 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.