Vendor: Honeywell. Maximum CVSS v3.1 9.8 Critical.
Also from Honeywell: 2 advisories
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Vulnerabilities
ICSA-26-069-03
Review this Cybersecurity and Infrastructure Security Agency (CISA) advisory's affected products, published severity, and mitigations.
Honeywell IQ4 Series BMS Controller (Update A)
Operational technology advisory