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CVE-2026-21658
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2026-02-27T09:16:16.773 · Last modified 2026-06-17T10:18:52.530

Summary

Unauthenticated Remote Code Execution i.e Improper Control of Generation of Code ('Code Injection') vulnerability in Johnson Controls Frick Controls Quantum HD allows Code 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.

Affected products

johnsoncontrols — frick_controls_quantum_hd_firmware

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.