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 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 system reset of the product is required for recovery.
History

Wed, 04 Mar 2026 21:15:00 +0000

Type Values Removed Values Added
First Time appeared Mitsubishi Electric
Mitsubishi Electric melsec Iq-f Series Fx5-enet/ip Ethernet Module Fx5-enet/ip
Mitsubishi Electric melsec Iq-f Series Fx5-enet Ip
Vendors & Products Mitsubishi Electric
Mitsubishi Electric melsec Iq-f Series Fx5-enet/ip Ethernet Module Fx5-enet/ip
Mitsubishi Electric melsec Iq-f Series Fx5-enet Ip

Wed, 04 Mar 2026 08:30:00 +0000

Type Values Removed Values Added
References

Tue, 03 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 03 Mar 2026 07:00:00 +0000

Type Values Removed Values Added
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 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 system reset of the product is required for recovery.
Title Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series EtherNet/IP module and Ethernet module
Weaknesses CWE-670
References
Metrics cvssV4_0

{'score': 8.7, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Mitsubishi

Published: 2026-03-03T06:46:21.526Z

Updated: 2026-03-04T08:16:54.607Z

Reserved: 2026-02-04T04:08:41.166Z

Link: CVE-2026-1874

cve-icon Vulnrichment

Updated: 2026-03-03T14:35:36.790Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-03T07:16:10.067

Modified: 2026-03-04T09:15:55.480

Link: CVE-2026-1874

cve-icon Redhat

No data.