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-2026-8806 Denial-of-service (DoS) vulnerability in MELSEC iQ-F Series FX5-ENET/IP Ethernet module

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

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-2026-8806: Expected Behavior Violation

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-2026-1874

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...

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. A...

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. A...

EUVD-2026-9282

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. A...

CVE-2026-1876

The CVE-2026-1876 affects Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module (FX5-ENET/IP) across all versions. The issue is an Improper Resource Shutdown or Release vulnerability that allows a remote attacker to trigger a DoS by continuously sending UDP packets to the device, wit...

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. A...

CVE-2026-1874

CVE-2026-1874 concerns a denial-of-service vulnerability in Mitsubishi Electric MELSEC iQ-F Series Ethernet modules. The affected components are FX5-ENET/IP (versions 1.106 and earlier) and FX5-EIP Ethernet module (all versions). The issue is described as an Always-Incorrect Control Flow Implemen...

CVE-2026-1876: Improper Resource Shutdown or Release

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. A...

CVE-2026-1874: Always-Incorrect Control Flow Implementation

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 安全漏洞

Mitsubishi Electric MELSEC iQ-F Series are a series of simple motion controllers produced by Mitsubishi Electric, a Japanese company. The Mitsubishi Electric MELSEC iQ-F Series contain security vulnerabilities. These vulnerabilities stem from incorrect implementation of control flows in the...

CVE-2024-8403 Denial-of-Service Vulnerability in Ethernet port on MELSEC iQ-F Ethernet Module and EtherNet/IP Module

Improper Validation of Specified Type of Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET versions 1.100 to 1.200 and FX5-ENET/IP versions 1.100 to 1.104 allows a remote attacker to cause a Denial of Service condition in Ethernet communication of the products by...

CVE-2024-8403: Improper Validation of Specified Type of Input

Improper Validation of Specified Type of Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET versions 1.100 to 1.200 and FX5-ENET/IP versions 1.100 to 1.104 allows a remote attacker to cause a Denial of Service condition in Ethernet communication of the products by...

The vulnerability of FTP servers of microprogrammed logic controllers such as MELSEC RJ71EIP91, SW1DNN-EIPCT-BD, FX5-ENET/IP, and SW1DNN-EIPCTFX5-BD allows attackers to compromise the target system.

The vulnerability of FTP servers of microprogrammed logic controllers such as MELSEC RJ71EIP91, SW1DNN-EIPCT-BD, FX5-ENET/IP, and SW1DNN-EIPCTFX5-BD lies in the ability to download files of a dangerous type without limitation. Exploiting this vulnerability can allow an attacker to compromise the...

Mitsubishi Electric MELSEC iQ-R Series/iQ-F Series Weak Password Requirements (CVE-2023-2060)

Weak Password Requirements vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to access to the module via FTP by dictionary attack or passwo...

Default credentials

Weak Password Requirements vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to access to the module via FTP by dictionary attack or passwo...