CVE-2026-1874

HIGH EPSS 33.8%
Published Mar 3, 20264mo ago · Modified Jun 17, 20262w ago
8.7 CVSS 4.0
High
Find Similar
Published Mar 3, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.7
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
33.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-670

Affected Products 4

VendorProductVersionRange
mitsubishielectricmelsec_iq-f_fx5-eip_firmware* ≤1.000
mitsubishielectricmelsec_iq-f_fx5-eip*any
mitsubishielectricmelsec_iq-f_fx5-enet\/ip_firmware* ≤1.106
mitsubishielectricmelsec_iq-f_fx5-enet\/ip*any

References 3

  • jvn.jp https://jvn.jp/vu/JVNVU93286687/
    Third Party Advisory
  • cisa.gov https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01
    Third Party Advisory
  • mitsubishielectric.com https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.