Threat video1:00
CVE-2026-21656 Frick Quantum HD Injection: Detection & IOCs
CVE-2026-21656 lets unauthenticated attackers inject code into Frick Quantum HD controllers; 9 detection rules, 7 IOCs and a free Splunk SPL rule.
Read the full threat intel for CVE-2026-21656 Frick Quantum HD Injection: Detection & IOCs →
Chapters
- 0:00The hookPre-auth injection in refrigeration gear: 9.1 severity.
- 0:05The storySix flaws in industrial refrigeration controllers.
- 0:12Attack pathAttacker probes controller web interface.
- 0:29AttributionNo threat actor is attributed.
- 0:33Indicators of compromiseNo malicious indicators were published.
- 0:39MITRE ATT&CK techniques5 ATT&CK techniques, from initial access to credential access.
- 0:43Remediation4 steps now: Identify all Frick Controls Quantum HD controllers and audit.
- 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript
0:00Pre-auth injection in refrigeration gear: 9.1 severity.
0:06Six flaws in industrial refrigeration controllers.
0:09Worldwide deployment of affected systems.
0:13Attacker probes controller web interface.
0:15Code injection permits unexpected actions without authentication.
0:20Affects legacy versions through 10.22.
0:23Upgrade to Quantum HD Unity v12 immediately.
0:29No threat actor is attributed. Confidence: low.
0:34No malicious indicators were published.
0:395 ATT&CK techniques, from initial access to credential access.
0:444 steps now: Identify all Frick Controls Quantum HD controllers and audit.
0:519 detection rules, in SPL, KQL and Sigma.
0:56Threadlinqs. The unified security engineering platform.