Pyramid Solutions' affected products, the Developer and DLL kits for EtherNet/IP Adapter and EtherNet/IP Scanner, are vulnerable to an out-of-bounds write, which may allow an unauthorized attacker to send a specially cra…
An issue in the NetStaX EtherNet/IP Stack prior to v5.6.1 could allow a large Class 3 explicit-message request to exceed the application-side receive buffer without generating an error or warning.
CVSS 4.0CRITICAL 9.3·Network·No auth·No interaction·EPSS 0.00649·Published 2026-09-01·Fixed in v5.6.1CWE-121