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    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 recover.

    Published:Jun 16, 2026
    Last Modified:Jun 16, 2026
    EPS:Jun 16, 2026
    EPSS Score:
    CVSS Score:8.7

    Affected Products

    Vendor
    Rockwellautomation
    Product
    Compactlogix
    Vendor
    Rockwellautomation
    Product
    Controllogix

    Exploits

    No exploit reference

    Related CVEs

    CVE-2025-9160 (CVSS 7) — A code execution security issue exists in the affected product. An attacker with physical access could abuse t…
    CVE-2012-6439 (CVSS 8.5) — When an affected product receives a valid CIP message from an unauthorized or unintended source to Port 2222…
    CVE-2012-6435 (CVSS 7.5) — When an affected product receives a valid CIP message from an unauthorized or unintended source to Port 2222/T…
    CVE-2012-6436 (CVSS 7.5) — The device does not properly validate the data being sent to the buffer. An attacker can send a malformed CIP …
    CVE-2012-6437 (CVSS 9.8) — The device does not properly authenticate users and the potential exists for a remote user to upload a new fir…
    CVE-2012-6438 (CVSS 7.5) — The device does not properly validate the data being sent to the buffer. An attacker can send a malformed CIP …
    CVE-2012-6440 (CVSS 4.8) — The Web server password authentication mechanism used by the products is vulnerable to a MitM and Replay attac…
    CVE-2012-6441 (CVSS 5) — An information exposure of confidential information results when the device receives a specially crafted CIP p…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High