CVE-2026-21660

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

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

17 Jun 2026, 10:18

Type Values Removed Values Added
Summary
  • (es) Credenciales de correo electrónico codificadas de forma rígida guardadas como texto plano en el firmware (CWE-256: Almacenamiento de Contraseña en Texto Plano) vulnerabilidad en Frick Controls Quantum HD versión 10.22 y anteriores conduce a acceso no autorizado, exposición de información sensible y posible uso indebido o compromiso del sistema. Este problema afecta a Frick Controls Quantum HD versión 10.22 y anteriores.

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 : 2026-06-17 10:18

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