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...

CVE-2026-75346

An out-of-bounds read vulnerability exists in EIPStackGroup OpENer v2.3 and master through commit 76b95cf in the server-side CIP SetAttributeList service. This allows a remote attacker to cause a denial of service...

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...

EUVD-2026-95960

EIPStackGroup OpENer v2.3 / master commit 76b95cf contains a buffer overflow in the GetAttributeList implementation for the EtherNet/IP GetAttributeList service. This allows a remote attacker to cause a denial of service...

CVE-2026-75350

The EIPStackGroup OpENer software (v2.3 / master commit 76b95cf) is vulnerable to a buffer overflow within the GetAttributeList() implementation. This flaw can be triggered by a remote attacker by sending specially crafted EtherNet/IP Get_Attribute_List service requests. Successful exploitation r...

EUVD-2026-95902

EIPStackGroup OpENer v2.3.0/master up to commit 76b95cf contains an out-of-bounds read vulnerability in Connection Manager request parsing. This allows a remote attacker to cause a denial of service...

CVE-2026-75349

The EIPStackGroup OpENer software, version v2.3.0/master (up to commit 76b95cf ), is vulnerable to an out-of-bounds read vulnerability during Connection Manager request parsing . This flaw allows a remote attacker to trigger a denial of service (DoS) . No specific exploitation details or remediat...

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-2026-95900

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...

CVE-2026-75348

An out-of-bounds read vulnerability exists in the EtherNet/IP TCP SendRRData Common Packet Format parser within EIPStackGroup OpENer v2.3 and master up to commit 76b95cf . The root cause is located in the CreateCommonPacketFormatStructure() function, which fails to validate that the remaining CPF...

EUVD-2026-95916

EIPStackGroup OpENer v2.3 and master up to commit 76b95cf contain an expired pointer dereference vulnerability in the EtherNet/IP Common Packet Format CPF handling logic. This allows a remote attacker to cause a denial of service...

EUVD-2026-95901

An out-of-bounds read vulnerability exists in EIPStackGroup OpENer v2.3 and master through commit 76b95cf in the server-side CIP SetAttributeList service. This allows a remote attacker to cause a denial of service...

CVE-2026-75346

The EIPStackGroup OpENer software (v2.3 and master through commit 76b95cf) contains an out-of-bounds read vulnerability in the server-side CIP SetAttributeList service. A remote attacker can exploit this by sending specially crafted network requests to trigger an invalid memory read, which can le...

CVE-2026-75346

An out-of-bounds read vulnerability exists in EIPStackGroup OpENer v2.3 and master through commit 76b95cf in the server-side CIP SetAttributeList service. This allows a remote attacker to cause a denial of service...

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...

CVE-2026-51537: Out-of-bounds Read

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...

CVE-2026-51538: Improper Access Control

EIPStackGroup OpENer 2.3.0 commit 76b95cf suffers from an Incorrect Access Control vulnerability in its handling of encapsulation sessions. When the server processes critical encapsulation commands, it verifies whether the provided sessionhandle exists in the global session list, but it fails to...

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-2026-10703: Use After Free

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...