CVE•Published 2026-03-03•Modified 2026-05-04•0 articles on news•5 live references•NVD data

CVE-2026-1874Mitsubishielectric · Melsec_iq-f_fx5-eip_firmware

Vulnerability data via NVD (ingested)

CVSS v3.1

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS percentile

Exploit Prediction Scoring System · top 58% of all CVEs

Weaknesses (CWE)

CWE-670Always-Incorrect Control Flow Implementation

Description

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 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.

Timeline

Published 2026-03-03

Modified 2026-05-04

External references

NVD MITRE Exploit-DB Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-1874

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · OS

os:"Melsec Iq-f Fx5-eip Firmware"

Hosts Shodan identified as running Melsec Iq-f Fx5-eip Firmware.

More intel sources (5)

Shodan report

vuln:CVE-2026-1874

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2026-1874