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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.005 (38.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-41726: held from 0.004 to 0.005.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

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.