CVE-2025-6074 Authentication Bypass to the MQTT configuration Web Interface
Attackers with source code access can bypass authentication on the REST interface to read MQTT configuration data in ABB RMC-100 devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-6074?
CVE-2025-6074 is a medium-severity vulnerability in ABB RMC-100, published on 3 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-321
Which versions are affected by CVE-2025-6074?
How do I fix CVE-2025-6074?
No fix has been published for CVE-2025-6074 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-6074 being exploited?
There is no known exploitation of CVE-2025-6074 in the wild and no public exploit code.
Sources
Also known as GHSA-2f3f-xhh3-hqgg.