What’s Vulnerable › Vulnerabilities
CVE-2025-41701: Beckhoff: Deserialization of untrusted data by TwinCAT 3 Engineering
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-09-09 · updated 2026-06-17
- Weakness: CWE-502
Description
An unauthenticated attacker can trick a local user into executing arbitrary commands by opening a deliberately manipulated project file with an affected engineering tool. These arbitrary commands are executed in the user context.
Affected products
- Beckhoff TE1000 | TwinCAT 3 Enineering: before 3.1.4024.67 — fixed in 3.1.4024.67
How to fix
Upgrade to a fixed version: Beckhoff TE1000 | TwinCAT 3 Enineering 3.1.4024.67. Check the vendor advisory for mitigations.
References
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