CVE-2025-6071 Hard Coded Key used for AES encryption
Hard-coded AES keys allow attackers to decrypt MQTT traffic and access sensitive information on 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-2025-6071?
CVE-2025-6071 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.
An attacker can gain access to salted information to decrypt MQTT information. 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-2025-6071?
How do I fix CVE-2025-6071?
No fix has been published for CVE-2025-6071 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-6071 being exploited?
There is no known exploitation of CVE-2025-6071 in the wild and no public exploit code.
Sources
Also known as GHSA-m6rc-cqv8-pp8r.