VDB-342995 · CVE-2025-41726 · VDE-2025-092

Beckhoff Automation Beckhoff.Device.Manager.XAR Web Service integer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.6	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Beckhoff Automation Beckhoff.Device.Manager.XAR, MDP software package for TwinCAT, BSD and MDP for Beckhoff RT Linux. This issue affects some unknown processing of the component Web Service. The manipulation leads to integer overflow. This vulnerability is referenced as CVE-2025-41726. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Beckhoff Automation Beckhoff.Device.Manager.XAR, MDP software package for TwinCAT, BSD and MDP for Beckhoff RT Linux (affected version not known) and classified as critical. This issue affects some unknown functionality of the component Web Service. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published by Diego Giubertoni as VDE-2025-092. It is possible to read the advisory at certvde.com. The identification of this vulnerability is CVE-2025-41726 since 04/16/2025. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Automation Software

Vendor

Beckhoff Automation

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (CERTVDE): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/16/2025 CVE reserved
01/27/2026 +286 days Advisory disclosed
01/27/2026 +0 days VulDB entry created
01/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: VDE-2025-092
Researcher: Diego Giubertoni
Status: Confirmed

CVE: CVE-2025-41726 (🔒)
GCVE (CVE): GCVE-0-2025-41726
GCVE (VulDB): GCVE-100-342995

Entryinfo

Created: 01/27/2026 14:06
Changes: 01/27/2026 14:06 (65)
Complete: 🔍
Cache ID: 216::103