P-NET · CVE-2026-124759 · Infrastructure
NO FIX YET · SEE WHAT TO DO
P-Net is an embedded PROFINET device stack used in industrial equipment. A host on the same network segment can send a forged alarm frame to end an established Application Relationship or inject fake alarm notifications into the application.
first public Nov 13, 2026 · 1 source
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Industrial devices and controllers that embed P-Net for PROFINET communication, where an attacker on the same local network can reach the device. Systems with no PROFINET device on an untrusted network segment are less exposed. unknown whether the sources list specific vendor products.
Not affected if isolated-network, no-profinet-devices, version-1.0.4-or-later
Who cares embedded, industrial-control, p-net, profinet
1.0.4 or later.1.0.4 or later (per the NVD description: fixed before 1.0.4).P-Net before 1.0.4 routes a received RTA alarm frame to an Application Relationship using only the destination alarm reference in the frame, without checking the source of the frame. A host with ADJACENT network access can abort an established Application Relationship with a single alarm ERROR frame, or deliver forged alarm notifications with chosen type, slot, subslot, USI and payload to the application.
This page as .md · .json · CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/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
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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