What is CVE-2025-32399?

CVE-2025-32399 is a medium-severity vulnerability in Rt-Labs P-Net, classified under CWE-606. CVSS score: 5.3/10. Published 2025-05-07.

How severe is CVE-2025-32399?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Rt-Labs P-Net

CVE-2025-32399

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.

Published 2025-05-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.005 (41.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Rt-Labs P-Net — versions 0

Weakness classification (CWE)

References

www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-32399 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-32399?: CVE-2025-32399 is a medium-severity vulnerability in Rt-Labs P-Net, classified under CWE-606. CVSS score: 5.3/10. Published 2025-05-07.
How severe is CVE-2025-32399?: Medium severity. CVSS v3 base score is 5.3 out of 10.