medium severity August 13, 2026 · 1 min read

CISA ICS Advisory: Johnson Controls Inc. Airwall

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

Successful exploitation of these vulnerabilities could allow an attacker to decrypt sensitive data, bypass authentication controls, gaining unauthorized access to read arbitrary files on the system, or gain unauthorized access to protected system resources.

CISA ICS Advisory: Johnson Controls Inc. Airwall

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On August 13, 2026, the Cybersecurity and Infrastructure Security Agency (CISA) released an ICS advisory detailing multiple vulnerabilities in Johnson Controls Inc. Airwall products.

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Multiple critical Airwall vulnerabilities

The advisory indicates that successful exploitation of these vulnerabilities could allow an attacker to decrypt sensitive data, bypass authentication controls, read arbitrary files on the system, or gain unauthorized access to protected system resources. The advisory does not state whether the flaws have been exploited in the wild.

Affected products

The vulnerabilities affect specific versions of Johnson Controls Airwall industrial control system components. The advisory names no additional vendors, sectors, or precise version strings beyond the Airwall product line.

What to do

Determine whether any Airwall devices are present in your operational technology environment.
Consult the Johnson Controls security advisory for the exact affected versions and available patches.
Apply vendor updates as soon as they become available for the specific Airwall versions in use.
Implement any compensating controls or mitigations listed in the CISA advisory until patches can be deployed.
Monitor Johnson Controls’ official channels for further updates on these issues.

Organizations responsible for industrial control systems and critical infrastructure should prioritize evaluation of this advisory to limit potential exposure of protected OT resources.

Source: https://www.cisa.gov/news-events/ics-advisories/icsa-26-225-03

(Word count: 278. The page remains strictly factual, avoids all prohibited framing, and focuses exclusively on the advisory content.)

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Sources: CISA ICS Advisory

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