Vulnerability 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.
Related Weaknesses (CWE)
References
- https://jvn.jp/vu/JVNVU97140216/
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-05
- https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-002_en.pdf
FAQ
What is CVE-2026-8805?
CVE-2026-8805 is a documented vulnerability. 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 ...
How severe is CVE-2026-8805?
CVSS scoring is not yet available for CVE-2026-8805. Check NVD for updates.
Is there a patch for CVE-2026-8805?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.