CVE-2026-1875

High

Description

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 products. A system reset of the product is required for recovery.

SeverityHigh

CVSS7.5

Exploit probability—

ProductMitsubishielectric Melsec Iq-f Fx5-eip Firmware

PublishedMar 3, 2026

First seenMar 3, 2026

Weakness typeCWE-404CWE-404

How to fix

Vendor advisories

mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf

Affected products

Product	Affected versions	Fixed in
mitsubishielectric melsec_iq-f_fx5-eip_firmware	v ≤ 1.000	—

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