CVE-2026-1876CWE-404

Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series Ethernet module

High · published March 3, 2026

CVSS v4.0
8.7
EPSS
0%
Percentile
36.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.00438 · 36.7th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-03-03T07:03Z
EPSS history
Timeline
  • 03 MAR 07:03Z
    Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series Ethernet module
    cvelistv5