CVE-2025-7705 Authentication bypass due to compatibility mode enabled by default
Attackers can bypass authentication on ABB Switch Actuators because compatibility mode is enabled by default, allowing unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-7705?
CVE-2025-7705 is a high-severity authentication bypass vulnerability in ABB Switch Actuator 4 DU-83330, published on 22 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
: Active Debug Code vulnerability in ABB Switch Actuator 4 DU-83330, ABB Switch actuator, door/light 4 DU -83330-500.This issue affects Switch Actuator 4 DU-83330: All Versions; Switch actuator, door/light 4 DU -83330-500: All Versions.
Weakness: CWE-489
Which versions are affected by CVE-2025-7705?
How do I fix CVE-2025-7705?
No fix has been published for CVE-2025-7705 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-7705 being exploited?
There is no known exploitation of CVE-2025-7705 in the wild and no public exploit code.
Sources
Also known as GHSA-7cwr-3892-8m78.