critical severity August 13, 2026 · 1 min read

CISA ICS Advisory: Haiwell IoT Cloud HMI Gateway

Here’s what this advisory affects, and what to do about it.

This organization is reported to have suffered a critical-severity data breach. Full verified details will be added here as they are confirmed.

CISA ICS Advisory: Haiwell IoT Cloud HMI Gateway

CISA published an Industrial Control Systems advisory on August 13, 2026, warning that a vulnerability in Haiwell IoT Cloud HMI Gateway could allow remote command execution with root privileges.

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OS command injection with root privileges

The advisory states that successful exploitation of the flaw may allow an attacker to inject and execute arbitrary OS commands with root privileges. The advisory does not say whether the vulnerability has been exploited in the wild.

Affected products

The vulnerability affects Haiwell IoT Cloud HMI Gateway version 3.40.1.12 (CVE-2026-19188). No other versions are named in the advisory.

What to do

Determine whether any Haiwell IoT Cloud HMI Gateway 3.40.1.12 devices are present in your environment.
Apply the update or mitigation provided by the vendor as soon as it becomes available.
Until a fix can be applied, implement network segmentation and restrict access to the affected gateways.
Monitor the vendor’s official channels for patch availability and follow CISA’s guidance for industrial control systems.
Review and update asset inventories to reflect the presence of this specific version.

Operators of industrial control systems and connected IoT gateways should treat this class of vulnerability as high priority given the potential for full system compromise at the root level.

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Sources: CISA ICS Advisory

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