SIEMENS-SSA-420375 · Published 2025-12-09 · View on Siemens ProductCERT ↗

SSA-420375 V1.0: Improper Integrity Check of Firmware Updates in Building X - Security Manager Edge Controller (ACC-AP)

CVSS N/A MEDIUM

Risk Summary

<p>Building X - Security Manager Edge Controller (ACC-AP) devices do not properly check the integrity of firmware updates. This could allow an attacker to upload a maliciously modified firmware onto the device.</p> <p>Siemens is preparing fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.</p>

Remediations

Refer to Siemens ProductCERT advisory for patch and remediation guidance.

Affected Vendors

Siemens

Affected Products (1)

Siemens · SSA-420375 V1.0: Improper Integrity Check of Firmware Updates in Building X - Security Manager Edge Controller (ACC-AP) See advisory

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