CVE-2025-40751: Siemens RTLS Locating Manager Escalation Flaw

CVE-2025-40751 Overview

CVE-2025-40751 affects Siemens SIMATIC RTLS Locating Manager versions prior to V3.3. The Report Clients component does not adequately protect credentials used to authenticate to the server. An authenticated local attacker can extract these credentials and reuse them to escalate privileges from the Manager role to the Systemadministrator role.

The issue is classified under [CWE-522: Insufficiently Protected Credentials]. Exploitation requires local access and existing authentication, which limits the attack surface but leaves privilege escalation as the primary risk in operational technology environments where SIMATIC RTLS is deployed.

Critical Impact
Local privilege escalation from Manager to Systemadministrator via extraction of insufficiently protected credentials from Report Clients.

Affected Products

Siemens SIMATIC RTLS Locating Manager — all versions before V3.3
SIMATIC RTLS Locating Manager Report Clients component
Deployments integrating Report Clients with the RTLS server backend

Discovery Timeline

2025-08-12 - CVE-2025-40751 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-40751

Vulnerability Analysis

The vulnerability resides in the SIMATIC RTLS Locating Manager Report Clients. Report Clients store or handle authentication credentials in a manner that does not enforce adequate protections against local extraction. An attacker with valid Manager-level access on the host can retrieve those credentials from the client-side context.

Once recovered, the credentials belong to an account with higher privileges on the server. The attacker replays them against the Locating Manager backend to acquire the Systemadministrator role. This role grants full administrative control over the real-time locating system, including configuration of anchors, tags, and downstream integrations.

The attack vector is local and requires prior authentication as a lower-privileged user. No user interaction is needed on the victim side, and exploitation complexity is low once local access is obtained.

Root Cause

The root cause is insufficient protection of stored or handled credentials within the Report Clients ([CWE-522]). Credentials intended for server authentication are accessible to any user context that can run or inspect the Report Client, rather than being isolated to a protected credential store or bound to the invoking user's session.

Attack Vector

Exploitation requires the attacker to already hold Manager-level access on a system running the Report Client. The attacker inspects the client process, its configuration, or associated storage to recover credentials. They then authenticate to the RTLS server using those credentials and inherit Systemadministrator privileges, bypassing the intended role boundary.

No public proof-of-concept exploit is available, and the vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog. See the Siemens Product Security Advisory SSA-707630 for vendor-supplied technical details.

Detection Methods for CVE-2025-40751

Indicators of Compromise

Systemadministrator logins to the SIMATIC RTLS Locating Manager originating from hosts or user contexts that normally operate only as Manager
Report Client processes accessed with debuggers, memory-dumping tools, or unusual file-read patterns against client configuration files
Configuration changes on the RTLS server (anchor definitions, integrations, user roles) that follow shortly after Report Client execution by a non-administrator

Detection Strategies

Correlate authentication events on the RTLS server with the source workstation and the local user identity to detect credential reuse across accounts
Monitor endpoints hosting Report Clients for process access, memory inspection, or credential-store reads targeting the client binary and its data directories
Alert on new or unexpected Systemadministrator sessions and compare them against a baseline of authorized administrative users

Monitoring Recommendations

Enable and forward Locating Manager audit logs to a central SIEM for role-change and administrative-action tracking
Baseline normal Report Client usage patterns per user and flag deviations, including off-hours execution
Review privileged role assignments and active sessions in the RTLS Locating Manager on a recurring schedule

How to Mitigate CVE-2025-40751

Immediate Actions Required

Upgrade SIMATIC RTLS Locating Manager to V3.3 or later on all affected installations
Restrict local access to hosts running Report Clients to trusted operators only
Rotate any credentials that may have been exposed on systems running vulnerable Report Client versions, especially Systemadministrator accounts
Review Locating Manager role assignments and remove unnecessary Manager-level accounts

Patch Information

Siemens has released SIMATIC RTLS Locating Manager V3.3, which addresses the credential protection weakness. Refer to the Siemens Product Security Advisory SSA-707630 for the official fixed version guidance and download instructions.

Workarounds

Limit Report Client execution to hardened, dedicated workstations with strict endpoint access controls
Apply the principle of least privilege so that only strictly required users hold Manager role membership
Segment the RTLS server network so that authentication traffic is only reachable from approved client hosts
Enable enhanced logging on both Report Client hosts and the RTLS server to shorten detection time until patching is complete

bash

# Configuration example
# Verify installed SIMATIC RTLS Locating Manager version and confirm it is >= V3.3
# Windows PowerShell example
Get-ItemProperty "HKLM:\Software\Siemens\SIMATIC RTLS Locating Manager" | Select-Object DisplayVersion