High severityNVD Advisory· Published Jun 19, 2026· Updated Jun 22, 2026
CVE-2026-8805
CVE-2026-8805
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
2- Range: <=1.000
- Range: <=1.000
Patches
Vulnerability mechanics
References
3News mentions
1- Mitsubishi Electric MELSEC iQ-F SeriesCISA ICS Advisories