CVE-2025-41656 Pilz: Missing Authentication in Node-RED integration
Unauthenticated attackers can execute arbitrary commands with high privileges on Pilz IndustrialPI 4 devices due to missing Node-RED authentication.
- 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-2025-41656?
CVE-2025-41656 is a critical missing authorization vulnerability in Pilz IndustrialPI 4 with Firmware Bullseye, published on 1 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated remote attacker can run arbitrary commands on the affected devices with high privileges because the authentication for the Node_RED server is not configured by default.
Weakness: CWE-306
Which versions are affected by CVE-2025-41656?
How do I fix CVE-2025-41656?
No fix has been published for CVE-2025-41656 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-41656 being exploited?
There is no known exploitation of CVE-2025-41656 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-9j57-6x57-gpv5.