CVE-2026-38719

Medium severity, CVSS 6.2. EPSS: 0.2% chance of exploitation in the next 30 days.

OpENer v2.3-558-g1e99582 contains an out-of-bounds read vulnerability in the Common Packet Format (CPF) parser, specifically in CreateCommonPacketFormatStructure() in source/src/enet_encap/cpf.c. A crafted ENIP/CPF message can supply an attacker-controlled item_count value that is not consistently validated against the remaining data_length of the CPF slice

Published 2026-05-18. Last modified 2026-06-17.