Vulnerability · Published Feb 27, 2026 · Assigned by jci
CVE-2026-21654Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution
High 8.8
In plain English
A high-severity OS command injection in Frick Controls Quantum HD from Johnson Controls. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).
Official description
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Johnson Controls Frick Controls Quantum HD allows OS Command 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Johnson Controls | Frick Controls Quantum HD | Frick Controls Quantum HD version 10.22 and prior |
Weakness: CWE-78 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N