Frick Controls Quantum Hd Firmware
CVE-2026-21658
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Unauthenticated remote code execution via code injection in Johnson Controls Frick Controls Quantum HD. Fourth critical vulnerability — this one explicitly noted as unauthenticated RCE.
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Johnson Controls Frick Controls Quantum HD version 10.22 or prior with network accessibility. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 9.8, EPSS 0.25%. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Attacker exploits unauthenticated code injection to gain complete control of Quantum HD controller, manipulates refrigeration parameters for physical impact or uses as OT network pivot. |
| Remediation | Highest priority ICS patch. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify and inventory all Frick Controls Quantum HD systems in your environment and isolate them from untrusted networks if operationally feasible. …
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Unauthenticated RCE and information disclosure via Local File Inclusion in Johnson Controls Frick Controls. Fifth critic
OS command injection in Johnson Controls Frick Controls Quantum HD allows unauthenticated remote attackers to execute ar
Second code injection vulnerability in Johnson Controls Frick Controls Quantum HD. Separate attack vector from CVE-2026-
Code injection in Johnson Controls Frick Controls Quantum HD allows unauthenticated remote code execution on industrial
Hardcoded email credentials stored as plaintext in Johnson Controls Frick Controls firmware. Sixth critical vulnerabilit
Same weakness CWE-94 – Code Injection
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External POC / Exploit Code
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