Mitsubishi Electric MELSEC iQ-F Series EtherNet/IP module and Ethernet module Always-Incorrect Control Flow Implementation (CVE-2026-1874)

Always-Incorrect Control Flow Implementation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP versions 1.106 and prior and Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP versions 1.000 and prior allo...

Mitsubishi Electric MELSEC iQ-F Series EtherNet/IP module and Ethernet module Improper Resource Shutdown or Release (CVE-2026-1875)

Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service DoS condition on the products by continuously sending UDP packets to the...

Mitsubishi Electric MELSEC iQ-F Series EtherNet/IP module and Ethernet module Improper Resource Shutdown or Release (CVE-2026-1876)

Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP all versions allows a remote attacker to cause a denial- of-service DoS condition on the products by continuously sending UDP packets to the products. ...

CVE-2026-13584

Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability in Mitsubishi Electric MELSEC MX Controller MX-R model, MELSEC MX Controller MX-F model, Master/local module, CC-Link IE TSN interface board, Motion module, Motion Control Board, Block-type remo...

CVE-2026-13584

Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability in Mitsubishi Electric MELSEC MX Controller MX-R model, MELSEC MX Controller MX-F model, Master/local module, CC-Link IE TSN interface board, Motion module, Motion Control Board, Block-type remo...

Mitsubishi Electric CC-Link IE TSN Communication Protocol

ADVISORY SUMMARY Successful exploitation of this vulnerability could allow an attacker with access to the same network segment to tamper with communication data in the affected product by sending specially crafted packets under specific timing conditions. This could allow the attacker to cause a...

CVE-2026-8806

Expected Behavior Violation vulnerability in Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP all versions allows a remote attacker to cause a denial-of-service DoS condition in the affected product by continuously sending a large number of communication packets to t...

CVE-2026-8805

Integer Overflow or Wraparound vulnerability in the EtherNet/IP function of Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service DoS condition in the affected product by rapidly establishing a larg...

CVE-2026-8806

Expected Behavior Violation vulnerability in Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP all versions allows a remote attacker to cause a denial-of-service DoS condition in the affected product by continuously sending a large number of communication packets to t...

EUVD-2026-37975

Expected Behavior Violation vulnerability in Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP all versions allows a remote attacker to cause a denial-of-service DoS condition in the affected product by continuously sending a large number of communication packets to t...

CVE-2026-8806

The CVE-2026-8806 entry concerns Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module (FX5-ENET/IP), with all versions affected. The vulnerability is described as an Expected Behavior Violation that could allow a remote attacker to cause a DoS by flooding the Ethernet port with a hi...

CVE-2026-8805 Denial-of-service (DoS) vulnerability in MELSEC iQ-F Series EtherNet/IP module

Integer Overflow or Wraparound vulnerability in the EtherNet/IP function of Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service DoS condition in the affected product by rapidly establishing a larg...

EUVD-2026-37973

Integer Overflow or Wraparound vulnerability in the EtherNet/IP function of Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service DoS condition in the affected product by rapidly establishing a larg...

CVE-2026-8805

CVE-2026-8805 affects the MELSEC iQ-F Series EtherNet/IP module FX5-EIP (versions 1.000 and prior). The bug is an integer overflow/wraparound in the EtherNet/IP function that can be triggered remotely by rapidly opening many TCP connections, causing a DoS through an inconsistency in internal conn...

PT-2026-50829

Name of the Vulnerable Software and Affected Versions Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP affected versions not specified Description An Expected Behavior Violation allows a remote attacker to cause a denial-of-service DoS condition. By continuously...

PT-2026-50828

Name of the Vulnerable Software and Affected Versions Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module versions 1.000 and prior Description An integer overflow or wraparound in the EtherNet/IP function allows a remote attacker to cause a denial-of-service DoS condition. By rapidl...

Mitsubishi Electric MELSEC iQ-F Series

ADVISORY SUMMARY Successful exploitation of this vulnerability could allow a remote attacker to cause a denial-of-service DoS condition in the affected product by rapidly establishing a large number of TCP connections to it, resulting in an inconsistency in the product's internal connection...

Mitsubishi Electric Co.'s MELSEC iQ-F Series FX5-ENET/IP Ethernet Module

ADVISORY SUMMARY Successful exploitation of this vulnerability could allow a remote attacker to cause a denial-of-service DoS condition in the affected product by continuously sending a large number of communication packets to the Ethernet port of the product in a short period of time,...

EUVD-2026-37646

Use of Hard-coded Credentials vulnerability in Mitsubishi Electric Room Air Conditioners for Japan and outside Japan; Wireless LAN Adapters for Room Air Conditioners for Japan and outside Japan; Wireless LAN Adapters for Packaged Air Conditioners for Japan and outside Japan; Refrigerators for...

CVE-2026-5667

Use of Hard-coded Credentials vulnerability in Mitsubishi Electric Room Air Conditioners for Japan and outside Japan; Wireless LAN Adapters for Room Air Conditioners for Japan and outside Japan; Wireless LAN Adapters for Packaged Air Conditioners for Japan and outside Japan; Refrigerators for...