CVE-2026-1876

HIGH

MELSEC iQ-F Series FX5-ENET/IP - Denial of Service via UDP Packet Flood

Title source: llm
STIX 2.1

Description

Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP 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.

References (3)

Core 3
Core References
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 0.0043
EPSS Percentile 33.8%
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-404
Status published
Products (2)
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP All versions
mitsubishielectric/melsec_iq-f_fx5-enet\/ip_firmware
Published Mar 03, 2026
Tracked Since Mar 03, 2026