CVE-2026-51541

OpENer 2.3.0 commit 76b95cf has an out-of-bounds read issue in CIP message parsing when handling malformed explicit requests with a forged EPath size. An attacker can send a valid ENIP SendRRData frame carrying a very short CIP payload whose pathsize field claims that many more path words are...

CVE-2026-51535

In OpENer 2.3.0 commit 76b95cf, a resource exhaustion Denial of Service vulnerability exists in its network processing loop...

CVE-2026-10703

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible...

EIPStackGroup OpENer 缓冲区错误漏洞

EIPStackGroup OpENer is a software from the EIPStackGroup organization for providing EtherNet/IP stacking functionality to IO adapter devices . A buffer error vulnerability exists in EIPStackGroup OpENer version v2.3.0, which stems from the discovery of a stack overflow contained via...