CVE-2026-9637

A denial-of-service vulnerability exists in Rockwell Automation CompactLogix 5380 and ControlLogix 5580 platforms, caused by improper validation of input length during CIP message processing . An unauthenticated network attacker with low complexity can trigger a major nonrecoverable fault (MNRF) ...

CVE-2026-9637 CompactLogix® 5380 / ControlLogix® 5580 - Multiple Vulnerabilities

A denial-of-service security issue exists in the affected Logix platforms listed in the table above. The security issue stems from improper validation of input length during CIP message processing. This can result in a major nonrecoverable fault MNRF, requiring a power cycle to recover...

Rockwell Automation CompactLogix 5380 ControlLogix 5580 / 1756-EN4TR Communications Module

ADVISORY SUMMARY Successful exploitation of this vulnerability could allow an attacker to cause a denial-of-service condition. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Minimize network exposure for all...

Rockwell Automation CompactLogix Exposure of Sensitive System Information to an Unauthorized Control Sphere (CVE-2026-9307)

A sensitive information disclosure security issue exists within the affected CompactLogix 5370 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...

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 ...

The vulnerability of the Certificate Revocation List (CRL) function in Rockwell Automation’s programmable logic controllers ControlLogix 5580, GuardLogix 5580, CompactLogix 5380, and Compact GuardLogix 5380 allows a intruder to circumvent security restrictions.

The vulnerability of the Certificate Revocation List CRL function in Rockwell Automation’s programmable logic controllers ControlLogix 5580, GuardLogix 5580, CompactLogix 5380, and Compact GuardLogix 5380 is related to improper verification of certificate revocation. Exploiting this vulnerability...

The vulnerability of the microprogrammed software in Rockwell Automation’s CompactLogix, ControlLogix, Compact GuardLogix, and GuardLogix controllers lies in the copying of buffers without checking the size of the input data. This allows a malicious actor to trigger an Error Message Response (MNRF).

The vulnerability of the microprogrammed software in Rockwell Automation’s CompactLogix, ControlLogix, Compact GuardLogix, and GuardLogix controllers lies in the copying of buffers without checking the size of the input data. Exploiting this vulnerability can allow a remote attacker to trigger a...

The vulnerability of the microprogrammed software in Rockwell Automation’s CompactLogix, ControlLogix, Compact GuardLogix, and GuardLogix controllers lies in the copying of buffers without checking the size of the input data. This allows a malicious actor to trigger an Error Message Response (MNRF).

The vulnerability of the microprogrammed software in Rockwell Automation’s CompactLogix, ControlLogix, Compact GuardLogix, and GuardLogix controllers lies in the copying of buffers without checking the size of the input data. Exploiting this vulnerability can allow a remote attacker to trigger a...

EUVD-2026-43709

A security issue exists within CompactLogix® 5380, ControlLogix® 5580, and EN4 communication modules related to CIP Security certificate revocation handling. The security issue stems from the controller failing to properly reject certificates signed by an intermediate certificate that has been...

CVE-2026-9636

A security issue exists within CompactLogix® 5380, ControlLogix® 5580, and EN4 communication modules related to CIP Security certificate revocation handling. The security issue stems from the controller failing to properly reject certificates signed by an intermediate certificate that has been...

CVE-2026-9636

CVE-2026-9636 affects Rockwell CompactLogix 5380, ControlLogix 5580, and EN4 communications modules. The issue is in CIP Security certificate revocation handling: the controller may fail to reject certificates signed by intermediates that have been revoked via a CRL, potentially allowing a networ...

CVE-2026-9636 Rockwell Automation CompactLogix® 5380 ControlLogix® 5580 / 1756-EN4 Communications Module – Certificate Revocation List Vulnerability

A security issue exists within CompactLogix® 5380, ControlLogix® 5580, and EN4 communication modules related to CIP Security certificate revocation handling. The security issue stems from the controller failing to properly reject certificates signed by an intermediate certificate that has been...

CVE-2026-9636 Rockwell Automation CompactLogix® 5380 ControlLogix® 5580 / 1756-EN4 Communications Module – Certificate Revocation List Vulnerability

A security issue exists within CompactLogix® 5380, ControlLogix® 5580, and EN4 communication modules related to CIP Security certificate revocation handling. The security issue stems from the controller failing to properly reject certificates signed by an intermediate certificate that has been...

CVE-2025-11698 CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow

A denial-of-service issue exists in 5380/5480/5580 controllers boot firmware lower than version 1.072. This vulnerability could potentially allow a malicious user to write invalid file data to the controller, causing the device to enter a major non-recoverable fault MNRF...

CVE-2025-12012

The CVE-2025-12012 entry concerns Rockwell Automation 5380/5480/5580 controllers. A denial-of-service vulnerability could allow a malicious user to write invalid file data to the controller, potentially triggering a major non-recoverable fault (MNRF). The available documents do not specify affect...

CVE-2025-12011

CVE-2025-12011 describes a denial-of-service vulnerability in Rockwell Automation 5370/5570 controllers (CompactLogix/ControlLogix family). The issue allows a remote attacker to load an invalid project, triggering a major non-recoverable fault (MNRF) on the device. Based on the available document...

PT-2026-58085

Name of the Vulnerable Software and Affected Versions CompactLogix 5380 affected versions not specified ControlLogix 5580 affected versions not specified EN4 communication modules affected versions not specified GuardLogix 5580 affected versions not specified Compact GuardLogix 5380 affected...

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-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-2026-9307 Rockwell Automation CompactLogix 5370 Controllers – Multiple Vulnerabilities

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...