CVE-2025-53696

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.

Category

9.3
CVSS
Severity: Critical
CVSS 4.0 •
EPSS 0.01%
Affected: Johnson Controls, Inc iSTAR Ultra
Published at:
Updated at:

References

Link Tags
https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/refs/heads/main/2025-03.txt

Frequently Asked Questions

What is the severity of CVE-2025-53696?
CVE-2025-53696 has been scored as a critical severity vulnerability.
How to fix CVE-2025-53696?
To fix CVE-2025-53696, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-53696 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-53696 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-53696?
CVE-2025-53696 affects Johnson Controls, Inc iSTAR Ultra.
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