CVE-2026-4436

A low-privileged remote attacker can send Modbus packets to manipulate register values that are inputs to the odorant injection logic such that too much or too little odorant is injected into a gas line...

CVE-2026-4436 GPL Odorizers GPL750 Missing Authentication for Critical Function

A low-privileged remote attacker can send Modbus packets to manipulate register values that are inputs to the odorant injection logic such that too much or too little odorant is injected into a gas line...

CVE-2026-4436

A low-privileged remote attacker can send Modbus packets to manipulate register values that are inputs to the odorant injection logic such that too much or too little odorant is injected into a gas line...

CVE-2026-4436 GPL Odorizers GPL750 Missing Authentication for Critical Function

A low-privileged remote attacker can send Modbus packets to manipulate register values that are inputs to the odorant injection logic such that too much or too little odorant is injected into a gas line...

CVE-2021-22659

Rockwell Automation MicroLogix 1400 Version 21.6 and below may allow a remote unauthenticated attacker to send a specially crafted Modbus packet allowing the attacker to retrieve or modify random values in the register. If successfully exploited, this may lead to a buffer overflow resulting in a...

EUVD-2024-33162

Malicious code in bioql PyPI...

CVE-2025-48467 Denial of Service via Malformed Modbus Packets

Successful exploitation of the vulnerability could allow an attacker to cause repeated reboots, potentially leading to remote denial-of-service and system unavailability...

CVE-2025-48467 Denial of Service via Malformed Modbus Packets

Successful exploitation of the vulnerability could allow an attacker to cause repeated reboots, potentially leading to remote denial-of-service and system unavailability...

CVE-2024-10498

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could allow an unauthorized attacker to modify configuration values outside of the normal range when the attacker sends specific Modbus write packets to the device which could result in...

Schneider Electric Power Logic Improper Restriction of Operations Within the Bounds of a Memory Buffer (CVE-2024-10498)

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could allow an unauthorized attacker to modify configuration values outside of the normal range when the attacker sends specific Modbus write packets to the device which could result in...

CVE-2024-10498

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could allow an unauthorized attacker to modify configuration values outside of the normal range when the attacker sends specific Modbus write packets to the device which could result in...

CVE-2021-30065

On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23, TCSEFEA23F3F20/21, and Belden Tofino Xenon Security Appliance, crafted ModBus packets can bypass the ModBus enforcer. NOTE: this issue exists because of an incomplete fix of CVE-2017-11401...

Code injection

On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23, TCSEFEA23F3F20/21, and Belden Tofino Xenon Security Appliance, crafted ModBus packets can bypass the ModBus enforcer. NOTE: this issue exists because of an incomplete fix of CVE-2017-11401...

CVE-2021-22659

Rockwell Automation MicroLogix 1400 Version 21.6 and below may allow a remote unauthenticated attacker to send a specially crafted Modbus packet allowing the attacker to retrieve or modify random values in the register. If successfully exploited, this may lead to a buffer overflow resulting in a...

Rockwell Automation MicroLogix 1400 Buffer Overflow Vulnerability

Micrologix 1400 is a programmable logic controller from Rockwell Automation. A buffer overflow vulnerability exists in Rockwell Automation MicroLogix 1400 version 21.6 and earlier. An attacker can exploit this vulnerability by sending specially crafted Modbus packets to retrieve or modify random...

Rockwell Automation MicroLogix 1400 安全漏洞

Micrologix 1400 is a programmable logic controller from Rockwell Automation. A buffer overflow vulnerability exists in Rockwell Automation MicroLogix 1400 version 21.6 and earlier. An attacker can exploit this vulnerability by sending specially crafted Modbus packets to retrieve or modify random...

CVE-2018-7851

CWE-119: Buffer errors vulnerability exists in Modicon M580 with firmware prior to V2.50, Modicon M340 with firmware prior to V3.01, BMxCRA312xx with firmware prior to V2.40, All firmware versions of Modicon Premium and 140CRA312xxx when sending a specially crafted Modbus packet, which could caus...

Buffer Overflow Vulnerability in HOLLYWOOD LE5109L PLCs

HELISE Group is a professional automation company integrating R&D, production, sales and technical service. With integrated Ethernet, PROFIBUS-DP, RS232 and RS485 interfaces, HELISE's PLCs have been widely used in electric power, chemical industry, metallurgy, energy and other fields. A buffer...

CVE-2017-11401

An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. Improper handling of the mbap.length field of ModBus packets in the ModBus DPI filter allows an attacker to send malformed/crafted packets to a protected asset, bypassing function code filtering...