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...

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...

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...

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: Improper Check for Certificate Revocation

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...

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...

EUVD-2024-32079

Malicious code in bioql PyPI...

Rockwell Automation ControlLogix 5580 Null Pointer Dereference (CVE-2025-9166)

A denial-of-service security issue exists in the affected product and version. The security issue stems from the controller repeatedly attempting to forward messages. The issue could result in a major nonrecoverable fault on the controller. This plugin only works with Tenable.ot. Please visit...

CVE-2025-9166 Rockwell Automation ControlLogix® 5580 V35.013 Denial-Of-Service

A denial-of-service security issue exists in the affected product and version. The security issue stems from the controller repeatedly attempting to forward messages. The issue could result in a major nonrecoverable fault on the controller...

CVE-2025-9166 Rockwell Automation ControlLogix® 5580 V35.013 Denial-Of-Service

A denial-of-service security issue exists in the affected product and version. The security issue stems from the controller repeatedly attempting to forward messages. The issue could result in a major nonrecoverable fault on the controller...

CVE-2025-9166

CVE-2025-9166 affects Rockwell Automation’s ControlLogix 5580 controllers (notably versions including V35.013). The issue is a denial-of-service caused by the controller repeatedly forwarding messages, which can lead to a major nonrecoverable fault on the controller. Technical details across conn...

Rockwell Automation ControlLogix 5580

RISK EVALUATION Successful exploitation of this vulnerability could result in a major nonrecoverable fault on the controller. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as: Minimize network exposure for...

The vulnerability of the microprogramming software for Rockwell Automation’s ControlLogix 5580 and GuardLogix 5580 allows a intruder to trigger a malfunction during maintenance.

The vulnerability of the microprogrammed software in Rockwell Automation’s ControlLogix 5580 and GuardLogix 5580 systems is related to insufficient checking of exceptional states. Exploiting this vulnerability can allow a malicious actor to cause malfunctions during maintenance operations...

PT-2024-6546 · Rockwell Automation · Controllogix/Guardlogix 5580 +1

Name of the Vulnerable Software and Affected Versions: Rockwell Automation ControlLogix/GuardLogix 5580 versions prior to the fixed version Rockwell Automation CompactLogix/Compact GuardLogix 5380 versions prior to the fixed version Description: A denial-of-service issue exists in Rockwell...

Rockwell Automation GuardLogix 5580 and ControlLogix 5580 Denial of Service Vulnerability

Rockwell Automation ControlLogix and Rockwell Automation GuardLogix are both products of Rockwell Automation, U.S.A. Rockwell Automation ControlLogix is a controller. Rockwell Automation GuardLogix is a series of controllers. A denial of service vulnerability exists in the Rockwell Automation...