CVE-2026-1874Disclosure(mitsubishielectric / melsec_iq-f_fx5-eip)

LOWCVSS 7.5 · HIGH

Signal is active with 4 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-670

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • melsec_iq-f_fx5-eip
  • melsec_iq-f_fx5-eip_firmware
  • melsec_iq-f_fx5-enet\/ip
  • melsec_iq-f_fx5-enet\/ip_firmware

Threat summary

  • 4 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • General: 2 classified signals
  • 4 total mentions across 1 day

Affected systems

Products
melsec_iq-f_fx5-eipmelsec_iq-f_fx5-eip_firmwaremelsec_iq-f_fx5-enet\/ipmelsec_iq-f_fx5-enet\/ip_firmware

1 version affected across 4 products

Deep dive

Activity timeline4 mentions / 1d
01234Mentions · 2026-03-03: 4Technical Details · 2026-03-03: 203-03
Signal classification2 categories
Disclosure
250.0%
General
250.0%
Referenced assets5 URLs
Full discourse4 posts
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-1874 Control Flow Vulnerability in Mitsubishi MELSEC iQ-F Series Ethern... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-1874 Vulnerability Alert Subscriptions: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=1

    Post summary

    The post references CVE‑2026‑1874, noting a control flow vulnerability in Mitsubishi MELSEC iQ‑F Series, but provides no further details, PoC, exploit, or patch information.

    0000050
    4.0K followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-1874 - Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series EtherNet/IP module and Ethernet module Intel Report: https://ift.tt/QkefR5d

    Post summary

    A new DoS vulnerability (CVE-2026-1874) affecting MELSEC iQ‑F Series EtherNet/IP modules has been reported, with technical details provided but no PoC, exploit, or patch information available.

    0000037
    342 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* 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 … https://www.cve.org/CVERecord?id=CVE-2026-1874 ----- Traducción: CVE-2026-1874 Vul… http://infoflow.cloud`

    Post summary

    The tweet announces CVE‑2026‑1874, a control‑flow vulnerability in Mitsubishi Electric’s FX5‑ENET/IP Ethernet Module, and links to the official CVE record.

    0000039
    55 followersView on X
  • CVE@CVEnew
    General

    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 … https://www.cve.org/CVERecord?id=CVE-2026-1874

    Post summary

    The text merely references CVE-2026-1874 and provides a link to its CVE record, offering no additional details or actionable information.

    00000333
    56.6K followersView on X
CPE platform detail4 entries

4 of 4 entries

PartVendorProductVersionTarget SWTarget HW
HWmitsubishielectricmelsec_iq-f_fx5-eip---
OSmitsubishielectricmelsec_iq-f_fx5-eip_firmware---
HWmitsubishielectricmelsec_iq-f_fx5-enet\/ip---
OSmitsubishielectricmelsec_iq-f_fx5-enet\/ip_firmware---

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