Security Advisory

CVE-2026-51537

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-13 00:00:00

Last updated 2026-07-14 13:16:42

Assigner mitre

CVSS score not scored

State PUBLISHED

Description

EIPStackGroup OpENer 2.3.0 (commit 76b95cf) has an out-of-bounds read issue in Connection Manager handling of ForwardOpen requests when processing short malformed packets. An attacker can send a valid ENIP outer frame carrying a malformed CIP ForwardOpen/LargeForwardOpen request, causing the parser to continue reading fields even when request data is insufficient. This issue is remotely triggerable via network traffic and does not require authentication.

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