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ICS Advisories

Advisories specifically aimed at industrial control systems — from CISA ICS-CERT and directly from vendors (including Siemens, ABB, Schneider Electric, WAGO and Phoenix Contact) — including revision history (initial publication, Update A, Update B) and linked CVEs.

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Advisory data: live connection— last retrieved: 8 November 2026 at 17:58.

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Search: ICSA-26-211-09

1 advisories found

ICSA-26-211-09

Watchfire Controller Software

Watchfire — BC550

CISAmiddel

Published

30 July 2026

Last update

31 July 2026

Linked CVEs

CVE-2026-5846

Affected sectors

Risk evaluation

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.

Mitigation summary

Watchfire has applied the required security patch to all affected controllers under its management. Watchfire recommends users verify their controller software version and upgrade to one of the approved versions below, if they are not already on an approved patch level.

Revision history (2)

  1. Initial publication — 30 July 2026

    Initial Publication

  2. Update A — 31 July 2026

    Updated Product and Remediation details

Official source: CISA