Integer overflow in Beckhoff Automation Beckhoff.device.manager.xar
CVE-2025-41726
A low privileged remote attacker can execute arbitrary code by sending specially crafted calls to the web service of the Device Manager or locally via an API and can cause integer overflows which then may lead to arbitrary code execution within privileged processes.
Vulnerability class: Integer Overflow
EPSS: 0.004 (34.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Beckhoff Automation Beckhoff.device.manager.xar — versions 0.0.0
- Beckhoff Automation Mdp For Rt Linux(r) — versions 0.0.0
- Beckhoff Automation Mdp Software Package For Twincat/bsd — versions 0.0.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-41726?
- CVE-2025-41726 is a high-severity vulnerability in Beckhoff Automation Beckhoff.device.manager.xar, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2026-01-27.
- How severe is CVE-2025-41726?
- High severity. CVSS v3 base score is 8.8 out of 10.