ME
Product
Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP
1
CVEs
0
On KEV
8.7
Max CVSS
0
New 30D
VulnerabilityHigh
Mitsubishi Electric MELSEC iQ-F Series
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Summary
Successful exploitation of this vulnerability could allow 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.
The following versions of Mitsubishi Electric MELSEC iQ-F Series are affected:
MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP <=1.000 (CVE-2026-8805)
CVSS
Vendor
Equipment
Vulnerabilities
v3 7.5
Mitsubishi Electric
Mitsubishi Electric MELSEC iQ-F Series
Integer Overflow or Wraparound
Background
Critical Infrastructure Sectors: Critical Manufacturing
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Japan
Vulnerabilities
Expand All +
CVE-2026-8805
An integer overflow or wraparound vulnerability exists in the EtherNet/IP function of MELSEC iQ-F Series EtherNet/IP module. This vulnerability could allow a remote attacker to cause a denial-of-service 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.
View CVE Details
Affected Products
Mitsubishi Electric MELSEC iQ-F Series
Vendor: Mitsubishi Electric
Product Version: Mitsubish...
Jun 18, 2026·CISA Advisories
