How severe is CVE-2026-21660?

The severity of CVE-2026-21660 has not been assessed with CVSS v3.

CVE-2026-21660

NONE

Published: 2/27/2026Updated: 2/27/2026

Description

Hardcoded Email Credentials Saved as Plaintext in Firmware (CWE-256: Plaintext Storage of a Password) vulnerability in Frick Controls Quantum HD version 10.22 and prior lead to unauthorized access, exposure of sensitive information, and potential misuse or system compromise This issue affects Frick Controls Quantum HD version 10.22 and prior.

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References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories