CVE-2026-111731

HighCVSS 8.7/10Last modified Nov 5, 2026

Description

P-Net before 1.0.3 enters an infinite loop when handling a read request for the PDPortDataCheck record with subslot 0 (whole module). The loop over the ports never advanced to the next port, so the request never completes and the device stops responding. A remote unauthenticated attacker can use this to cause a denial of service.

Metrics

CVSS 4.0 8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-835

Affected software

Vendor	Product	Versions
RT-Labs	P-Net	< 1.0.3

References

https://rt-labs.com/wp-content/uploads/2026/10/RRTL-261019-01.pdf

Timeline

Published: Oct 29, 2026
Last modified: Nov 5, 2026
NVD status: Deferred

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