Vulnerability Intelligence Report
CVE-2025-53696
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.
No Active Exploit Signals
CVSS Base Score
9.3
CRITICAL
EPSS Probability:0.10%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-494 ↗CWE-494 Download of Code Without Integrity Check
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Johnson Controls, Inc | iSTAR Ultra | 0 <= 6.9.2 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.095%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Dragos, Inc. · Vendor · USA |
| Reserved | 2025-07-08T14:48:42 |
| Published | 2025-07-28T14:43:01 |
| Last Updated | 2025-08-19T14:43:13 |
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