High severity7.5NVD Advisory· Published Jun 18, 2026· Updated Jun 18, 2026
Mitsubishi Electric Co.'s MELSEC iQ-F Series FX5-ENET/IP Ethernet Module
CVE-2026-8806
Description
Expected Behavior Violation (CWE-440) vulnerability exists in MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP. This vulnerability could allow a remote attacker to cause a denial-of-service (DoS) condition in the affected product by continuously sending a large number of communication packets to the Ethernet port of the product in a short period of time, increasing the processing load of the product, preventing the internal anomaly-detection processing from being performed, and causing the communication function to stop.
Affected products
2- Range: <= All
Patches
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
News mentions
1- Mitsubishi Electric Co.'s MELSEC iQ-F Series FX5-ENET/IP Ethernet ModuleCISA ICS Advisories