cip-security-poc

cip-security-poc — proving the fix principle behind CVE-2021-22681 not just its flaw Six runnable scripts — real EtherNet/IP protocol traffic Test 1, real TLS/PKI mechanics Tests 3–6 — zero Rockwell software or licensing anywhere in the chain. Built to test a claim before writing it up, not to...

CVE-2026-75351

A flaw was found in OpENer. An out-of-bounds read vulnerability in the server-side EtherNet/IP ForwardOpen connection-path parser allows a remote attacker to trigger an application crash. By sending a specially crafted connection request, an attacker can exploit this flaw to cause a Denial of...

CVE-2026-75351

OpENer v2.3/commit 76b95cf, contains an out-of-bounds read in the server-side EtherNet/IP ForwardOpen connection-path parser. 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-2026-75352

The OpENer v2.3 (commit 76b95cf) software contains an integer underflow vulnerability within the server-side EtherNet/IP ForwardOpen connection-path parser . This flaw could allow a remote attacker to cause a denial of service (DoS). No specific remediation, exploit code, or in-the-wild exploitat...

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-2026-75351

OpENer v2.3/commit 76b95cf is susceptible to an out-of-bounds read vulnerability located in the server-side EtherNet/IP ForwardOpen connection-path parser . A remote attacker can exploit this flaw by sending a specially crafted connection request, which may trigger an application crash and result...

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...

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...

CVE-2026-75353

The OpENer v2.3 (commit 76b95cf) software contains an out-of-bounds read vulnerability within the server-side EtherNet/IP ForwardOpen connection-path parser . This flaw could allow a remote attacker to trigger a denial of service condition. No specific exploit details or remediation steps are pro...

EUVD-2026-95970

OpENer v2.3/commit 76b95cf, contains an out-of-bounds read in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remote attacker to cause a denial of service...

EUVD-2026-95972

OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP ForwardOpen connection-path parser. 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...

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-2026-75351

OpENer v2.3/commit 76b95cf, contains an out-of-bounds read in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remote attacker to cause a denial of service...

EUVD-2026-95971

OpENer v2.3/ commit 76b95cf, contains an out-of-bounds read in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remtoe 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...

PT-2026-103084

Name of the Vulnerable Software and Affected Versions Apache PLC4X PLC4Go versions 0.11.0 through 0.9.9 Apache PLC4X PLC4J ADS and Modbus drivers versions 0.10.0 through 0.9.9 Apache PLC4X PLC4J EtherNet/IP driver versions 0.11.0 through 0.9.9 Description Improper verification of the communicatio...

Pyramid Solutions NetStaX EtherNet/IP Stack

ADVISORY SUMMARY Successful exploitation of this vulnerability could result in memory corruption, a device crash, or a potential remote attack vector without the originating device receiving a CIP error indicating that the request could not be processed. 2. RECOMMENDED PRACTICES CISA recommends...

PT-2026-85371

Name of the Vulnerable Software and Affected Versions Rockwell Automation 1756-ENBT affected versions not specified Description A denial-of-service flaw exists in the 1756-ENBT module, which serves as an EtherNet/IP bridge for ControlLogix controllers. An attacker can crash the device by sending ...