CVE-2025-41647 Lenze: Plaintext Password Disclosure in PLC Designer V4 Interface
A local low-privileged attacker can view the connected controller's password in plaintext under specific conditions in Lenze PLC Designer V4.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-41647?
CVE-2025-41647 is a medium-severity vulnerability in Lenze PLC Designer V4, published on 25 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A local, low-privileged attacker can learn the password of the connected controller in PLC Designer V4 due to an incorrect implementation that results in the password being displayed in plain text under special conditions.
Weakness: CWE-312
Which versions are affected by CVE-2025-41647?
How do I fix CVE-2025-41647?
No fix has been published for CVE-2025-41647 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-41647 being exploited?
There is no known exploitation of CVE-2025-41647 in the wild and no public exploit code.
Sources
Also known as GHSA-q6j3-9p27-59xc.