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    CVE-2025-14027

    Multiple denial-of-service vulnerabilities exist in the affected product. These issues can be triggered through various crafted inputs, including malformed Class 3 messages, memory leak conditions, and other resource exhaustion scenarios. Exploitation may cause the device to become unresponsive and, in some cases, result in a major nonrecoverable fault. Recovery may require a restart.

    Published:Jan 20, 2026
    Last Modified:Apr 15, 2026
    EPS:Jan 20, 2026
    EPSS Score:0.00063
    CVSS Score:8.7

    Affected Products

    Vendor
    Rockwellautomation
    Product
    Controllogix

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2025-7353 (CVSS 9.3) — A security issue exists due to the web-based debugger agent enabled on Rockwell Automation ControlLogix® Ether…
    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-2012-6441 (CVSS 5) — An information exposure of confidential information results when the device receives a specially crafted CIP p…
    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-2012-6439 (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…
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    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