CVE-2026-8805
HIGH EPSS 29.8%
Published Jun 19, 20261w ago · Modified Jun 22, 20261w ago
8.7 CVSS 4.0
Published Jun 19, 2026 1w ago
Last Modified Jun 22, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
29.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-190 Integer Overflow or Wraparound Numeric Error
References 3
- jvn.jp https://jvn.jp/vu/JVNVU97140216/
- cisa.gov https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-05
- mitsubishielectric.com https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-002_en.pdf
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.