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CVE-2026-8805

Denial-of-service (DoS) vulnerability in MELSEC iQ-F Series EtherNet/IP module

Published: Jun 19, 2026Updated: Jun 22, 2026 Sources: CVE List NVD csafCWE-190
7.5HIGH
NVD MITRE
EPSS Score
0.6%
Top 52.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Integer Overflow or Wraparound vulnerability in the EtherNet/IP function of Mitsubishi Electric 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 in the affected product by rapidly establishing a large number of TCP connections to it, resulting in an inconsistency in the product's internal connection management process and triggering improper memory access.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-190

Affected Products

Mitsubishi Electric Corporation
commercial·JPaka mitsubishi electric
Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP
ICS / OT / IoT

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Initial Access
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References

https://jvn.jp/vu/JVNVU97140216/
jvn.jp
https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-05
cisa.gov
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-002_en.pdf
mitsubishielectric.com
and 11 more references View all →

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