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-2026-75352

A flaw was found in OpENer. An integer underflow in the server-side EtherNet/IP ForwardOpen connection-path parser allows a remote attacker to send specially crafted network requests. Exploitation of this flaw can cause the service to crash, resulting in a Denial of Service DoS...

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-2026-75352

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-2026-75353

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-2026-75350

A flaw was found in OpENer. A remote attacker can trigger a buffer overflow in the GetAttributeList function by sending specially crafted EtherNet/IP service requests. Successful exploitation can crash the application, resulting in a Denial of Service DoS...

CVE-2026-75350

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-2026-75348

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-2026-75348: Out-of-bounds Read

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-2026-75350

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-2026-75353

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...

CVE-2026-75352

The OpENer v2.3/commit 76b95cf software is affected by an integer underflow vulnerability within the server-side EtherNet/IP ForwardOpen connection-path parser . A remote attacker can exploit this flaw by sending specially crafted network requests, which can cause the service to crash and result ...

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-2026-75352: Integer Underflow (Wrap or Wraparound)

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-2026-75353: Undefined Security Weakness

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-2026-75351: Out-of-bounds Read

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-2026-75350: Uncontrolled Resource Consumption

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...

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-2026-75352

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...