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 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.
Published:Mar 3, 2026
Last Modified:May 4, 2026
EPS:Mar 3, 2026
EPSS Score:0.002
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Mitsubishi Electric
Product
Melsec Iq-f Series Fx5-enet/ip Ethernet Module Fx5-enet/ip
Mitsubishi Electric
Melsec Iq-f Series Fx5-enet/ip Ethernet Module Fx5-enet/ip
Vendor
Mitsubishi Electric
Product
Melsec Iq-f Series Fx5-enet Ip
Mitsubishi Electric
Melsec Iq-f Series Fx5-enet Ip
Vendor
Mitsubishielectric
Product
Melsec Iq-f Fx5-eip
Mitsubishielectric
Melsec Iq-f Fx5-eip
Vendor
Mitsubishielectric
Product
Melsec Iq-f Fx5-eip Firmware
Mitsubishielectric
Melsec Iq-f Fx5-eip Firmware
Vendor
Mitsubishielectric
Product
Melsec Iq-f Fx5-enet\/ip
Mitsubishielectric
Melsec Iq-f Fx5-enet\/ip
Vendor
Mitsubishielectric
Product
Melsec Iq-f Fx5-enet\/ip Firmware
Mitsubishielectric
Melsec Iq-f Fx5-enet\/ip Firmware
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
