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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-8805

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

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mitsubishi Electric Corporation Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP

Default version status: unaffected

  • versions 1.000 and prioraffected

References