Critical severity9.8NVD Advisory· Published Feb 27, 2026· Updated Jun 17, 2026

CVE-2026-21660

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Johnsoncontrols/Frick Controls Quantum Hd Firmware
cpe:2.3:o:johnsoncontrols:frick_controls_quantum_hd_firmware:*:*:*:*:*:*:*:*
Range: <=10.22
Johnson Controls/Quantum HDllm-create
Range: <=10.22
Johnson Controls/Frick Controls Quantum HDv5
Range: Frick Controls Quantum HD version 10.22 and prior

Patches

Vulnerability mechanics

References

www.cisa.gov/news-events/ics-advisories/icsa-26-057-01nvdThird Party AdvisoryUS Government Resource
www.johnsoncontrols.com/trust-center/cybersecurity/security-advisoriesnvdVendor Advisory

News mentions

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