CVE-2026-75347

The EIPStackGroup OpENer software (versions v2.3 and master up to commit 76b95cf ) is vulnerable to an expired pointer dereference within the EtherNet/IP Common Packet Format (CPF) handling logic. This flaw allows a remote attacker to trigger a denial of service (DoS) condition. No specific remed...

CVE-2026-75348

An out-of-bounds read vulnerability exists in EIPStackGroup OpENer v2.3 and master up to commit 76b95cf in the EtherNet/IP TCP SendRRData Common Packet Format parser. The issue occurs in CreateCommonPacketFormatStructure when it parses recognized optional socket address information items of type...

EUVD-2026-40246

A buffer overflow in the GetAttributeList function of EIPStackGroup OpENer commit 76b95c allows attackers to cause a Denial of Service DoS via supplying a crafted Common Packet Format CPF packet...

CVE-2026-51221

A buffer overflow in the GetAttributeList function of EIPStackGroup OpENer commit 76b95c allows attackers to cause a Denial of Service DoS via supplying a crafted Common Packet Format CPF packet...

CVE-2026-51221

A buffer overflow in the GetAttributeList function of EIPStackGroup OpENer commit 76b95c allows attackers to cause a Denial of Service DoS via supplying a crafted Common Packet Format CPF packet...

CVE-2026-51221

A buffer overflow in the GetAttributeList function of EIPStackGroup OpENer commit 76b95c allows attackers to cause a Denial of Service DoS via supplying a crafted Common Packet Format CPF packet...

CVE-2026-51221: Improper Access Control

A buffer overflow in the GetAttributeList function of EIPStackGroup OpENer commit 76b95c allows attackers to cause a Denial of Service DoS via supplying a crafted Common Packet Format CPF packet...

CVE-2026-51221

A buffer overflow in the GetAttributeList function of EIPStackGroup OpENer commit 76b95c allows attackers to cause a Denial of Service DoS via supplying a crafted Common Packet Format CPF packet...

PT-2026-53750

Name of the Vulnerable Software and Affected Versions EIPStackGroup OpENer commit 76b95c Description A buffer overflow occurs in the Get Attribute List function when processing a specially crafted Common Packet Format CPF packet, which is a standardized data structure used for communication. This...

CVE-2026-38719

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/enetencap/cpf.c. A crafted ENIP/CPF message can supply an attacker-controlled itemcount value that is not consistently...

CVE-2026-38719

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/enetencap/cpf.c. A crafted ENIP/CPF message can supply an attacker-controlled itemcount value that is not consistently...

CVE-2026-38719

The OpENer industrial Ethernet protocol stack (version v2.3-558-g1e99582 ) is vulnerable to an out-of-bounds read within the Common Packet Format (CPF) parser . The flaw resides specifically in the CreateCommonPacketFormatStructure() function in source/src/enet_encap/cpf.c. An attacker can provid...

CVE-2026-38719

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/enetencap/cpf.c. A crafted ENIP/CPF message can supply an attacker-controlled itemcount value that is not consistently...

CVE-2026-38719

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/enetencap/cpf.c. A crafted ENIP/CPF message can supply an attacker-controlled itemcount value that is not consistently...

OpENer 缓冲区错误漏洞

OpENer is an open-source industrial Ethernet protocol stack developed by the EIP Stack Group, supporting connections for I/O devices. Version OpENer v2.3-558-g1e99582 contains a buffer error vulnerability. This vulnerability stems from an out-of-bounds read in the CreateCommonPacketFormatStructur...

CVE-2026-38719

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/enetencap/cpf.c. A crafted ENIP/CPF message can supply an attacker-controlled itemcount value that is not consistently...

PT-2026-41681

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...

EUVD-2026-30780

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/enetencap/cpf.c. A crafted ENIP/CPF message can supply an attacker-controlled itemcount value that is not consistently...