CVE-2025-41726: Beckhoff.Device.Manager.XAR · Integer Overflow or Wraparound
Affects Beckhoff.Device.Manager.XARSource CVE Database V5
Not known to be exploited · CVSS 8.8 High : upgrade to 2.5.3 soon.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 41% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.5.3, 1.7.0.0, 0.0.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 27 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade Beckhoff.Device.Manager.XAR to 2.5.3; MDP software package for TwinCAT/BSD to 1.7.0.0; MDP for Beckhoff RT Linux(R) to 0.0.5.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Beckhoff AutomationBeckhoff.Device.Manager.XAR | Affected
| Fixed in
|
| Beckhoff AutomationMDP software package for TwinCAT/BSD | Affected
| Fixed in
|
| Beckhoff AutomationMDP for Beckhoff RT Linux(R) | Affected
| Fixed in
|
AI-suggested
Organizations should immediately inventory their use of Beckhoff.Device.Manager.XAR and related Beckhoff automation products to assess exposure. In the interim, restrict network access to the Device Manager web service using firewalls and network segmentation to limit exposure to trusted hosts only. Implement strict input validation and anomaly detection on network traffic to detect and block malformed requests targeting the API. Employ application whitelisting and privilege restrictions to limit the impact of potential code execution. Monitor logs and network traffic for unusual activity indicative of exploitation attempts. Conduct regular security assessments and penetration testing focused on industrial control systems. Coordinate with Beckhoff Automation support and cybersecurity authorities for timely updates and guidance. Finally, develop and test incident response plans specific to industrial control system compromises.
Description
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.