CVE-2026-21658 HIGH

CVE-2026-21658: Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution

Vendor Johnson Controls
Product Frick Controls Quantum HD
Weakness CWE-94 · Code injection
Published February 27, 2026
Last update February 27, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 27, 2026 CVE published
February 27, 2026 Record updated