Vulnerability Details CVE-2026-21654
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Johnson Controls Frick Controls Quantum HD allows OS Command Injection. Insufficient validation of input in certain parameters may permit unexpected actions, which could impact the security of the device before authentication occurs.This issue affects Frick Controls Quantum HD version 10.22 and prior.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 30.7%
CVSS Severity
CVSS v3 Score 9.8
References
Products affected by CVE-2026-21654
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cpe:2.3:h:johnsoncontrols:frick_controls_quantum_hd:-
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cpe:2.3:o:johnsoncontrols:frick_controls_quantum_hd_firmware:*