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Vulnerability record · CVE-2026-1875 · published 3 March 2026

CVE-2026-1875: Mitsubishielectric melsec iq-f fx5-eip firmware improper resource shutdown vulnerability

Mitsubishielectric · Melsec Iq F Fx5 Eip Firmware

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.

8.7 CVSS 4.0 High EPSS 0.42% · top 66.1% CWE-404 · Improper resource shutdown
8.7CVSS 4.0 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://jvn.jp/vu/JVNVU93286687/ Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01 Third Party Advisory
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-1875), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.