ABB is aware of vulnerabilities in the product versions listed as affected in the advisory.

An attacker who successfully exploited these vulnerabilities could gain unauthenticated access to the MQTT configu-ration data (CVE-2025-6074), cause a DoS on the MQTT configuration web server (REST interface) (CVE-2025-6073, CVE-2025-6072), or decrypt encrypted MQTT broker credentials (CVE-2025-6071).

Use of Hard-coded Cryptographic Key vulnerability in ABB RMC-100, ABB RMC-100 LITE.

When the REST interface is enabled by the user, and an attacker gains access to source code and control network, the attacker can bypass the REST interface authentication and gain access to MQTT configuration data.

This issue affects RMC-100: from 2105457-043 through 2105457-045; RMC-100 LITE: from 2106229-015 through 2106229-016.

Use of Hard-coded Cryptographic Key vulnerability in ABB RMC-100, ABB RMC-100 LITE.

When the REST interface is enabled by the user, and an attacker gains access to source code and control network, the attacker can bypass the REST interface authentication and gain access to MQTT configuration data.

This issue affects RMC-100: from 2105457-043 through 2105457-045; RMC-100 LITE: from 2106229-015 through 2106229-016.

ABB is aware of vulnerabilities in the product versions listed as affected in the advisory.

An attacker who successfully exploited these vulnerabilities could gain unauthenticated access to the MQTT configu-ration data (CVE-2025-6074), cause a DoS on the MQTT configuration web server (REST interface) (CVE-2025-6073, CVE-2025-6072), or decrypt encrypted MQTT broker credentials (CVE-2025-6071).