CVE-2025-32399 Denial of service in P-Net
An attacker can cause IO devices using the RT-Labs P-Net library to enter an infinite loop by sending a malicious RPC packet.
- 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-2025-32399?
CVE-2025-32399 is a medium-severity denial of service vulnerability in RT-Labs P-Net, published on 7 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An Unchecked Input for Loop Condition in RT-Labs P-Net version 1.0.1 or earlier allows an attacker to cause IO devices that use the library to enter an infinite loop by sending a malicious RPC packet.
Which versions are affected by CVE-2025-32399?
It affects 1 product.
Products include Rt-Labs P-Net.
How do I fix CVE-2025-32399?
No fix has been published for CVE-2025-32399 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-32399 being exploited?
There is no known exploitation of CVE-2025-32399 in the wild and no public exploit code.
Other vulnerabilities in RT-Labs P-Net
Sources
Also known as GHSA-4f32-q83j-5vfj.