CVE-2026-75351

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

OpENer v2.3/commit 76b95cf, contains an out-of-bounds read in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remote attacker to cause a denial of service.

Published 2026-10-09. Last modified 2026-10-09.