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The 15 most recently published vulnerabilities affecting beckhoff.

• CVE-2025-41701Beckhoff: Deserialization of untrusted data by TwinCAT 3 Engineering7.8Sep 9, 2025
• CVE-2024-8934Beckhoff: Local command injection via TwinCAT Package Manager6.5Oct 31, 2024
• CVE-2024-41176Beckhoff: Local Denial of Service issue in package MDP included in TwinCAT/BSD7.3Aug 27, 2024
• CVE-2024-41175Beckhoff: Local Denial-of-Service vulnerability in TwinCAT/BSD and the IPC-Diagnostics package5.5Aug 27, 2024
• CVE-2024-41174Beckhoff: Improper input neutralization vulnerability in the IPC-Diagnostics package in TwinCAT/BSD7.3Aug 27, 2024
• CVE-2024-41173Beckhoff: Local authentication bypass in the IPC-Diagnostics package included in TwinCAT/BSD7.8Aug 27, 2024
• CVE-2023-6545Beckhoff: Open redirect in TwinCAT/BSD package authelia-bhf4.7Dec 14, 2023
• CVE-2021-34594Beckhoff: Relative path traversal vulnerability through TwinCAT OPC UA Server6.5Nov 4, 2021
• CVE-2020-20741Incorrect Access Control in Beckhoff Automation GmbH & Co. KG CX9020 with firmware version CX9020_CB3011_WEC7_HPS_v602_TC31_B4016.6 allows remote attackers to bypass authentication via the "CE Remo...9.8Jul 23, 2021
• CVE-2020-12526BECKHOFF: DoS-Vulnerability for TwinCAT OPC UA Server and IPC Diagnostics UA Server5.3May 13, 2021
• CVE-2020-12510Beckhoff: Privilege Escalation through TwinCat System7.3Nov 19, 2020
• CVE-2020-12494Beckhoff: Etherleak in TwinCAT RT network driver5.3Jun 16, 2020
• CVE-2020-9464A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. After an attack has occurred, the device's functionality can be restored by rebooting.7.5Mar 12, 2020
• CVE-2019-16871Beckhoff Embedded Windows PLCs through 3.1.4024.0, and Beckhoff Twincat on Windows Engineering stations, allow an attacker to achieve Remote Code Execution (as SYSTEM) via the Beckhoff ADS protocol.9.8Dec 19, 2019
• CVE-2019-5637Beckhoff TwinCAT Profinet Driver Divide-by-Zero Denial of Service7.5Nov 21, 2019