Modbus TCP identify

Actively probes Modbus TCP port 502 by scanning unit IDs and reading holding registers. Safe read-only reconnaissance for PLC/RTU discovery. !/usr/bin/env python3 -- coding: utf-8 -- from kittysploit import from lib.protocols.ics.constants import ICSPROTOCOLPORTS from...

Modbus UDP Detection

Detects Modbus UDP responders via read holding registers probe. !/usr/bin/env python3 -- coding: utf-8 -- """Detect Modbus UDP services on port 502.""" from kittysploit import from lib.protocols.ics.icsscannerclient import Icsscannerclient from lib.scanner.modbus.detectors import probemodbusudp...

EUVD-2026-28785

nanoMODBUS through v1.22.0 has a stack-based buffer overflow in recvreadregistersres in nanomodbus.c. When a client calls nmbsreadholdingregisters or nmbsreadinputregisters, the library writes register data from the server response to the caller-provided buffer based on the response's bytecount...

CVE-2026-29972

nanoMODBUS through v1.22.0 has a stack-based buffer overflow in recvreadregistersres in nanomodbus.c. When a client calls nmbsreadholdingregisters or nmbsreadinputregisters, the library writes register data from the server response to the caller-provided buffer based on the response's bytecount...

PT-2026-39142

Name of the Vulnerable Software and Affected Versions nanoMODBUS versions prior to 1.23.0 Description A stack-based buffer overflow exists in the recv read registers res function within nanomodbus.c. This occurs when a client invokes nmbs read holding registers or nmbs read input registers, as th...

Schneider Electric Modicon M580 UMAS write system coils and holding registers denial-of-service vulnerability

Summary An exploitable denial-of-service vulnerability exists in the UMAS write system coils and holding registers functionality of the Schneider Electric Modicon M580 Programmable Automation Controller, firmware version SV2.70. A specially crafted UMAS command can cause the device to enter a...