CVE-2026-21656
CRITICALJohnson Controls Frick Controls Quantum HD <=10.22 - Code Injection
Title source: llmDescription
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.
References (2)
Core 2
Core References
Third Party Advisory, US Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01
Scores
CVSS v3
9.8
EPSS
0.0039
EPSS Percentile
30.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-94
Status
published
Products (1)
johnsoncontrols/frick_controls_quantum_hd_firmware
< 10.22
Published
Feb 27, 2026
Tracked Since
Feb 27, 2026