CVE-2026-21660

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01	Third Party Advisory US Government Resource
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:johnsoncontrols:frick_controls_quantum_hd_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:johnsoncontrols:frick_controls_quantum_hd:-:*:*:*:*:*:*:*

History

02 Mar 2026, 18:23

Type	Values Removed	Values Added
First Time		Johnsoncontrols frick Controls Quantum Hd Johnsoncontrols frick Controls Quantum Hd Firmware Johnsoncontrols
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
References	~~() https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01 -~~	() https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01 - Third Party Advisory, US Government Resource
References	~~() https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories -~~	() https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories - Vendor Advisory
CWE		CWE-522
CPE		cpe:2.3:h:johnsoncontrols:frick_controls_quantum_hd:-:::::::* cpe:2.3:o:johnsoncontrols:frick_controls_quantum_hd_firmware::::::::

27 Feb 2026, 10:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-27 10:16

Updated : 2026-03-02 18:23

NVD link : CVE-2026-21660

Mitre link : CVE-2026-21660

CVE.ORG link : CVE-2026-21660

JSON object : View

Products Affected

johnsoncontrols

frick_controls_quantum_hd
frick_controls_quantum_hd_firmware

CWE

CWE-256

Plaintext Storage of a Password

CWE-522

Insufficiently Protected Credentials

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