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

Quick assessment

Affected
Johnson Controls Frick Controls Quantum HD
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Johnson Controls Frick Controls Quantum HD是美国江森自控（Johnson Controls）公司的一款专门用于工业制冷系统的高级微处理器控制面板。 Johnson Controls Frick Controls Quantum HD 10.22及之前版本存在安全漏洞，该漏洞源于输入验证不足，可能导致未经验证的远程代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 0.64% · P49

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-21658

Vulnerability Information
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Vulnerability Title
Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Johnson Controls Frick Controls Quantum HD 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Johnson Controls Frick Controls Quantum HD是美国江森自控（Johnson Controls）公司的一款专门用于工业制冷系统的高级微处理器控制面板。 Johnson Controls Frick Controls Quantum HD 10.22及之前版本存在安全漏洞，该漏洞源于输入验证不足，可能导致未经验证的远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Johnson Controls Frick Controls Quantum HD Frick Controls Quantum HD version 10.22 and prior -

II. Public POCs for CVE-2026-21658

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III. Intelligence Information for CVE-2026-21658

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Vendor Advisories for CVE-2026-21658 (1)

Vendor Pages for CVE-2026-21658 (1)

Same Patch Batch · Johnson Controls · 2026-02-27 · 6 CVEs total

CVE-2026-21660 6.9 MEDIUM Johnson Controls-Frick Quantum HD-Hardcoded Email Credentials Saved as Plaintext in Firmwa
CVE-2026-21654 Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution
CVE-2026-21657 Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution
CVE-2026-21656 Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution
CVE-2026-21659 Johnson Controls -Frick Quantum HD-Unauthenticated Remote Code Execution and Information D

IV. Related Vulnerabilities

Same product: Frick Controls Quantum HD
Same vendor: Johnson Controls
Same weakness: CWE-94

V. Comments for CVE-2026-21658

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