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.
References (3)
Core 3
Core References
Various Sources vendor-advisory
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf
Various Sources government-resource
https://jvn.jp/vu/JVNVU93286687/
Third Party Advisory, US Government Resource government-resource
https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01
Scores
CVSS v3
7.5
EPSS
0.0042
EPSS Percentile
33.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-670
Status
published
Products (5)
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP
All versions
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP
versions 1.000 and prior
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP
versions 1.106 and prior
mitsubishielectric/melsec_iq-f_fx5-eip_firmware
< 1.000
mitsubishielectric/melsec_iq-f_fx5-enet\/ip_firmware
< 1.106
Published
Mar 03, 2026
Tracked Since
Mar 03, 2026