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Watchfire security advisories

1 CISA ICS advisory for Watchfire in the last tracking window, 0 flagged as relevant to oil & gas. Newest first.

Medium 5.7 ICSA-26-211-09 · Jul 30, 2026 · Watchfire

Watchfire Controller Software

CISA reports 1 vulnerability in Watchfire BC550, BC750, BC760, BC760DC. Weakness type: Use of Hard-coded Cryptographic Key. Successful exploitation of this vulnerability could allow a malicious user the ability to deliver malicious firmware that can update and gain full control of the controller. Highest CVSS v3 score:…

What to do: Plan: Watchfire has issued patches to disable the use of the existing certificates. Users using BC550; 12.30 should upgrade to 12.31 SP1