Pre-auth code injection hits Frick Quantum HD refrigeration controllers - legacy builds have no patch. https://intel.threadlinqs.com/threat/TL-2026-3573 #ThreatIntel #CVE_2026_21658 #JCIPSA202605 #ICSA2605701

Pre-auth code injection hits Frick Quantum HD refrigeration controllers - legacy builds have no patch. https://intel.threadlinqs.com/threat/TL-2026-3573 #ThreatIntel #CVE_2026_21658 #JCIPSA202605 #ICSA2605701