Threat video1:00
CVE-2026-21654 Frick Quantum HD Flaw: Detection & IOCs
Unauthenticated attackers can inject OS commands into end-of-support Quantum HD controllers. Get 9 detection rules, 5 IOCs and a free Splunk SPL rule.
Read the full threat intel for CVE-2026-21654 Frick Quantum HD Flaw: Detection & IOCs →
Chapters
- 0:00The hookCritical flaw: refrigeration controllers scored 9.1.
- 0:05The storyClaroty researchers reported it to CISA.
- 0:11Attack pathReachable interfaces may allow command execution.
- 0:28AttributionNo threat actor is attributed.
- 0:33Indicators of compromiseNo malicious indicators were published.
- 0:38MITRE ATT&CK techniques4 ATT&CK techniques, from initial access to collection.
- 0:43Remediation4 steps now: Identify all Frick Controls Quantum HD controllers and confirm none.
- 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript
0:00Critical flaw: refrigeration controllers scored 9.1.
0:05Claroty researchers reported it to CISA.
0:08No login needed over the network.
0:11Reachable interfaces may allow command execution.
0:15Possible: file reads, control changes, network pivots.
0:18Impacts: analyst view, not observed.
0:21No public exploit is reported.
0:23Upgrade to Unity version 12 or later.
0:29No threat actor is attributed. Confidence: low.
0:33No malicious indicators were published.
0:394 ATT&CK techniques, from initial access to collection.
0:434 steps now: Identify all Frick Controls Quantum HD controllers and confirm none.
0:519 detection rules, in SPL, KQL and Sigma.
0:56Threadlinqs. The unified security engineering platform.