Critical Vulnerabilities in Johnson Controls' Airwall: CVE-2026-64887 and CVE-2026-34492
In August 2026, Johnson Controls Inc. disclosed two critical vulnerabilities in their Airwall product, identified as CVE-2026-64887 and CVE-2026-34492. CVE-2026-64887 involves the use of a hard-coded cryptographic key, potentially allowing attackers to decrypt sensitive data across all installations. CVE-2026-34492 is an arbitrary file read vulnerability, enabling unauthorized access to system files. Both vulnerabilities affect Airwall versions up to and including 4.0.4. Johnson Controls has released patches in version 4.1.0 to address these issues. The disclosure underscores the persistent risks associated with hard-coded credentials and inadequate input validation in critical infrastructure systems. Organizations are urged to apply the provided patches promptly and review their security practices to prevent similar vulnerabilities.
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