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THREAT OPS › Threat News › [NVD] CVE-2026-21660 (CRITICAL 9.8) — 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 T

[NVD] CVE-2026-21660 (CRITICAL 9.8) — 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 T

lownvdPublished 2026-02-27

CVE-2026-21660 CVSS: 9.8 CRITICAL Published: 2026-02-27T10:16:22.563

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 versio

MITRE ATT&CK techniques

CredentialsT1589.001

Indicators of compromise

CVE-2026-21660cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-21660