CVE-2025-53696 - CVE House
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Status published Critical CVE-2025-53696

iSTAR Ultra performs a firmware verification on boot, however the...

Vulnerability Description

iSTAR Ultra performs a firmware verification on boot, however the verification does not inspect certain portions of the firmware. These firmware parts may contain malicious code. Tested up to firmware 6.9.2, later firmwares are also possibly affected.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from Johnson Controls, Inc

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CVE-2025-53695
OS Command Injection in iSTAR Ultra products web application allows...
Critical 9.4

Affected Vendor

Johnson Controls, Inc

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Affected Software

iSTAR Ultra
Vulnerable Versions:
0

Timeline

Official Publish: July 28th, 2025
Last Modified: August 19th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-494

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.