Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ABB | RMC-100 | 2105457-043 – ≤ 2105457-045 | — |
| ABB | RMC-100 LITE | 2106229-015 – ≤ 2106229-016 | — |
Advisories 2
- ICSA-25-196-02 ABB RMC-100 (Update A) CISA ICS & IT advisories · May 14, 2026
- 9AKK108471A3623 RMC - 100 Vulnerabilities in web UI (REST Interface) ABB PSIRT · Aug 18, 2025