CVE-2025-40746Network attack vector

SYSTEM code execution via backup script input

Published Aug 12, 2025 · Updated Aug 13, 2025

Improper input validation in SIMATIC RTLS Locating Manager before 3.2 allows remote authenticated users to execute code as SYSTEM. The product passes insufficiently validated input to a backup script, but Siemens has not disclosed the affected parameter or operation that reaches code execution. Exploitation requires high application privileges and grants control of the Windows host with NT Authority/SYSTEM privileges.

CVSS severity9.4
Critical
EPSS probability0.65%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in SIMATIC RTLS Locating Manager before 3.2 allows remote authenticated users to execute code as SYSTEM. The product passes insufficiently validated input to a backup script, but Siemens has not disclosed the affected parameter or operation that reaches code execution. Exploitation requires high application privileges and grants control of the Windows host with NT Authority/SYSTEM privileges.

The record

CVE
CVE-2025-40746
Published
Aug 12, 2025
Updated
Aug 13, 2025
Vendor
Siemens
Product
SIMATIC RTLS Locating Manager
Classifications
CWE-20
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <V3.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Siemens · SIMATIC RTLS Locating Managerversion=0 <V3.2

Published CVSS scores

9.4Siemens ProductCERTCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
9.1Siemens ProductCERTCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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