CVE-2026-51541

OpENer version 2.3.0 (commit 76b95cf) contains an out-of-bounds read vulnerability during CIP message parsing . The flaw exists when handling malformed explicit requests where an attacker provides a forged EPath size . By sending a valid ENIP SendRRData frame with a short CIP payload but a large ...

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-2026-51541: Out-of-bounds Read

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-2026-51536

In OpENer 2.3.0 commit 76b95cf when parsing incoming CIP Common Industrial Protocol network packets, the length parameter is inconsistently typed across the call stack. Specifically, an upstream length calculated as an int is passed to a downstream function that expects an EipInt16 a 16-bit signe...

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-2026-51536: Integer Overflow or Wraparound

In OpENer 2.3.0 commit 76b95cf when parsing incoming CIP Common Industrial Protocol network packets, the length parameter is inconsistently typed across the call stack. Specifically, an upstream length calculated as an int is passed to a downstream function that expects an EipInt16 a 16-bit signe...

CVE-2026-0646

A denial-of-service security issue exists within the 1794-AENTR adapter due to improper memory handling of CIP protocol requests. This vulnerability can result in the adapter faulting and losing connection to its associated I/O modules, requiring a manual reset to recover...

CVE-2025-11694 Rockwell Automation CompactLogix 5370 Controllers – Multiple Vulnerabilities

A security issue exists within 1769 CompactLogix controllers due to the missing validation of sequence numbers and source IP addresses in the CIP protocol. This allows attacker to abuse the exposed Connection ID’s visible on the web interface to perform denial-of-service attacks, resulting in...

CVE-2026-0646: Missing Release of Memory after Effective Lifetime

A denial-of-service security issue exists within the 1794-AENTR adapter due to improper memory handling of CIP protocol requests. This vulnerability can result in the adapter faulting and losing connection to its associated I/O modules, requiring a manual reset to recover...

PT-2026-49715

A denial of service security issue exists in the affected product. The security issue stems from a fault occurring when a crafted CIP message is sent. Devices with less memory are more likely to be affected. This can result in a major nonrecoverable fault MNRF. A program download is required to...

CVE-2026-9307: Exposure of Sensitive System Information to an Unauthorized Control Sphere

A sensitive information disclosure security issue exists within the affected CompactLogix controllers. The controller's web server exposes CIP Connection IDs on the diagnostics webpage, which are accessible to any unauthenticated user on the network. This information can be leveraged by an attack...

CVE-2025-11694: Improper Validation of Integrity Check Value

A security issue exists within 1769 CompactLogix controllers due to the missing validation of sequence numbers and source IP addresses in the CIP protocol. This allows attacker to abuse the exposed Connection ID’s visible on the web interface to perform denial-of-service attacks, resulting in...

CVE-2026-11317: Improper Resource Shutdown or Release

A denial of service security issue exists in the affected product. The security issue stems from a fault occurring when a crafted CIP message is sent. Devices with less memory are more likely to be affected. This can result in a major nonrecoverable fault MNRF. A program download is required to...

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...

CVE-2026-10703 EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure 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...

PT-2026-45897

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...

Wireshark 2.2.x < 2.2.11 Multiple Vulnerabilities (macOS)

The version of Wireshark installed on the remote macOS / Mac OS X host is prior to 2.2.11. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-2.2.11 advisory. - In Wireshark 2.4.0 to 2.4.2 and 2.2.0 to 2.2.10, the CIP Safety dissector could crash. This was...

Wireshark 2.2.x < 2.2.11 Multiple Vulnerabilities

The version of Wireshark installed on the remote Windows host is prior to 2.2.11. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-2.2.11 advisory. - In Wireshark 2.4.0 to 2.4.2 and 2.2.0 to 2.2.10, the CIP Safety dissector could crash. This was addressed in...

CVE-2024-50617

Vulnerabilities in the File Download and Get File handler components in CIPPlanner CIPAce before 9.17 allow attackers to download unauthorized files. An authenticated user can easily change the file id parameter or pass the physical file path in the URL query string to retrieve the files. Retriev...

CVE-2024-50620

CIPPlanner CIPAce versions prior to 9.17 are vulnerable to Unrestricted Upload of File with Dangerous Type in the rich text editor and document management components. An authorized user can exploit this by uploading executable files when inserting images into the rich text editor or via the docum...