WAGO: Vulnerabilities in CODESYS Control

The following firmware versions installed on several devices are are vulnerable due to a vulnerability in CODESYS Control.



Several WAGO Firmwares are vulnerable to an incorrect calculation of the buffer size in the CODESYS OPC UA STACK. This can lead to a crash of the runtime of the affected firmware versions installed on several devices.



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2025
2024
2023
2022
2021
2020
2019
2018
2017

Legend

(Scoring for CVSS 2.0,3.0+3.1)
None
No CVE available
Low
0.1 <= 3.9
Medium
4.0 <= 6.9
High
7.0 <= 8.9
Critical
9.0 <= 10.0