Johnson Controls-Frick Quantum HD-Hardcoded Email Credentials Saved as Plaintext in Firmware (CVE-2026-21660) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-21660

Johnson Controls-Frick Quantum HD-Hardcoded Email Credentials Saved as Plaintext in Firmware

Answer in brief

CVE-2026-21660 records a Unknown severity vulnerability in Johnson Controls-Frick Quantum HD-Hardcoded Email Credentials Saved as Plaintext in Firmware. The current sources do not mark it as known exploited. The current feed maps Johnson Controls/Frick Controls Quantum HD (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Feb 27, 2026Updated Aug 24, 2026Source checked Aug 24, 2026First seen by HOL Aug 24, 2026Material review Aug 24, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Johnson Controls/Frick Controls Quantum HD (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Johnson Controls/Frick Controls Quantum HDgeneric	Frick Controls Quantum HD version 10.22 and prior	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Johnson Controls/Frick Controls Quantum HD.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Feb 27, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 24, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 24, 2026

Sources and claim methodology

Upstream source description

A 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.

Quoted source text, attributed separately from HOL analysis.