Rockwell Automation CompactLogix Improper Validation of Integrity Check Value (CVE-2025-11694)

A security issue exists within the affected CompactLogix 5370 controllers due to missing validation of sequence numbers and source IP addresses in the CIP protocol. An attacker can abuse the exposed Connection IDs visible on the controller's web interface to send forged CIP packets, resulting in ...

EUVD-2026-43712

A denial-of-service security issue exists in the affected products. The security issue stems from improper handling of exceptional conditions when processing crafted CIP packets sent to the adapter. A power cycle is required to recover the module and associated I/O...

CVE-2026-12659 Rockwell Automation Flex 5000® Adapter - Denial of Service

A denial-of-service security issue exists in the affected products. The security issue stems from improper handling of exceptional conditions when processing crafted CIP packets sent to the adapter. A power cycle is required to recover the module and associated I/O...

CVE-2026-12659

The CVE-2026-12659 issue affects Rockwell Automation’s Flex 5000® Adapter. It is a denial-of-service vulnerability caused by improper handling of exceptional conditions when processing crafted CIP packets sent to the adapter. The impact is a loss of availability in the affected module and I/O, wi...

CVE-2026-9653 1756-EN2, 1756-EN3, and 1756-ENBT - Denial of Service via CIP Connection ID

A denial-of-service security issue exists across all the 1756-EN2, EN3, and ENBT communication module due to improper validation of CIP Implicit Connection packets. An attacker on the network can exploit this by sending crafted packets to continuously disrupt device connections, though device...

CVE-2026-9653

The vulnerability CVE-2026-9653 affects Rockwell Automation 1756-EN2, EN3, and ENBT communication modules. It stems from improper validation of CIP Implicit Connection packets, enabling network-remote denial-of-service when an attacker sends crafted packets; device connections recover immediately...

CVE-2026-10573

A denial-of-service vulnerability exists in the Rockwell Automation 1734 POINT I/O™ module, caused by improper handling of crafted CIP (Common Industrial Protocol) messages. Successful exploitation places the module into a faulted state , requiring a restart to recover. The CVSS 4.0 score is 6.3 ...

EUVD-2026-43694

A denial-of-service security issue exists in 1734 POINT I/O™ module. The security issue stems from improper handling of crafted CIP messages, which can cause the module to enter a faulted state. A restart is required to recover...

EUVD-2026-43602

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...

PT-2026-58060

Name of the Vulnerable Software and Affected Versions Rockwell Automation FLEX 5000 adapters affected versions not specified Description A denial-of-service issue occurs due to improper handling of exceptional conditions when processing crafted CIP Common Industrial Protocol packets sent to the...

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-2026-51536

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...

PT-2026-57875

Name of the Vulnerable Software and Affected Versions OpENer version 2.3.0 Description An issue exists when parsing incoming Common Industrial Protocol CIP network packets where the length parameter is inconsistently typed across the call stack. An upstream length calculated as an int is passed t...

Rockwell Automation CompactLogix 5370 suffers a denial-of-service vulnerability

Rockwell Automation CompactLogix 5370 is a programmable automation controller developed by Rockwell Automation in the United States. The CompactLogix 5370 has a denial-of-service vulnerability, which stems from the lack of verification of sequence numbers and source IP addresses in the CIP...

CVE-2026-9307

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-2026-11317

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-2025-11694

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 Rockwell Automation FLEX I/O Dual-port EtherNet/IP Adapters – Multiple Vulnerabilities

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...

EUVD-2026-37121

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-2026-9307

The CVE-2026-9307 issue affects CompactLogix 5370 controllers where the web server exposes CIP Connection IDs on the diagnostics page to unauthenticated users, enabling an attacker to craft malicious packets and cause Denial-of-Service. The available documents do not specify affected firmware ver...