CISA Warns of Hard-Coded Crypto Key in Watchfire Controllers
CISA disclosed CVE-2026-5846 in Watchfire Controller Software (BC550, BC750, BC760, BC760DC), where hard-coded RSA private keys and X.509 certificates are embedded in firmware. Exploitation could allow malicious firmware delivery and full controller takeover. Patches are available; Watchfire has updated managed controllers.
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