Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Johnsoncontrols | Frick Controls Quantum Hd Firmware | <= 10.22 |
| Johnsoncontrols | Frick Controls Quantum Hd | - |
Related Weaknesses (CWE)
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01Third Party AdvisoryUS Government Resource
- https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisoriesVendor Advisory
FAQ
What is CVE-2026-21656?
CVE-2026-21656 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...
How severe is CVE-2026-21656?
CVE-2026-21656 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-21656?
Check the references section above for vendor advisories and patch information. Affected products include: Johnsoncontrols Frick Controls Quantum Hd Firmware, Johnsoncontrols Frick Controls Quantum Hd.