Threat video1:00
CVE-2026-21659 Frick Quantum HD LFI: Detection & IOCs
Unauthenticated path traversal in Frick Quantum HD controllers allows code execution, with 9 detection rules (one free in Splunk SPL) and 9 IOCs.
Read the full threat intel for CVE-2026-21659 Frick Quantum HD LFI: Detection & IOCs →
Chapters
- 0:00The hookUnauthenticated flaw scores 9.8 on refrigeration controllers.
- 0:06The storyCISA published an advisory in February.
- 0:12Attack pathControllers exposed to untrusted networks are at risk.
- 0:28AttributionNo threat actor is attributed.
- 0:32Indicators of compromiseNo malicious indicators were published.
- 0:38MITRE ATT&CK techniques4 ATT&CK techniques, from initial access to collection.
- 0:43Remediation5 steps now: Remove Quantum HD controllers from direct internet exposure and restrict.
- 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript
0:00Unauthenticated flaw scores 9.8 on refrigeration controllers.
0:06CISA published an advisory in February.
0:09A third party analyzed it in March.
0:13Controllers exposed to untrusted networks are at risk.
0:16Versions 10.22 and earlier can give attackers file access.
0:21CISA reports no known public exploitation at publication.
0:28No threat actor is attributed. Confidence: low.
0:33No malicious indicators were published.
0:384 ATT&CK techniques, from initial access to collection.
0:435 steps now: Remove Quantum HD controllers from direct internet exposure and restrict.
0:519 detection rules, in SPL, KQL and Sigma.
0:56Threadlinqs. The unified security engineering platform.