CVE-2025-6074 MEDIUM

CVE-2025-6074: Authentication Bypass to the MQTT configuration Web Interface

Vendor Abb
Product RMC-100
Weakness CWE-321
Published July 3, 2025
Last update July 3, 2025

CVSS base score

6.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 3, 2025 CVE published
July 3, 2025 Record updated