CVE•Published 2026-02-27•Modified 2026-08-24•1 article on news•5 live references•NVD data
CVE-2026-21660Johnsoncontrols · Frick_controls_quantum_hd_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
14
Exploit Prediction Scoring System · top 86% of all CVEs
Description
A Hardcoded Email Credentials Saved as Plaintext in Firmware (CWE-256: Plaintext Storage of a Password) vulnerability in Frick Controls Quantum HD version 10.22 and prior lead to unauthorized access, exposure of sensitive information, and potential misuse or system compromise This issue affects Frick Controls Quantum HD version 10.22 and prior.
Timeline
Published 2026-02-27
Modified 2026-08-24
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-21660Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Frick Controls Quantum Hd Firmware"Hosts Shodan identified as running Frick Controls Quantum Hd Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2026-21660Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-21660Censys host search filtered to this CVE id.
grep.app
CVE-2026-21660Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-21660GitHub code search for direct mentions.
Google dork
"CVE-2026-21660" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-21660 on GitHub.