# CVE-2025-30034: Denial of service in SIMATIC RTLS Locating Manager

> An unauthenticated local attacker can cause a denial of service in SIMATIC RTLS Locating Manager by sending invalid input to the local loopback interface.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Aug 2025
- **Updated:** 12 Aug 2025
- **Also known as:** GHSA-7qcc-qfv9-f87g

## What is CVE-2025-30034?

CVE-2025-30034 is a medium-severity denial of service vulnerability in Siemens SIMATIC RTLS Locating Manager, published on 12 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability has been identified in SIMATIC RTLS Locating Manager (All versions < V3.3). Affected devices do not properly validate input sent to its listening port on the local loopback interface. This could allow an unauthenticated local attacker to cause a denial of service condition.

Weakness: CWE-617 (Reachable Assertion)

## Which versions are affected by CVE-2025-30034?

It affects 1 product.


Products: Siemens Simatic Rtls Locating Manager.

## How do I fix CVE-2025-30034?

No fix has been published for CVE-2025-30034 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-30034 being exploited?

There is no known exploitation of CVE-2025-30034 in the wild and no public exploit code.

## Other vulnerabilities in Siemens SIMATIC RTLS Locating Manager

- [CVE-2025-40746](https://insights.sbomify.com/CVE-2025-40746/): Command injection in SIMATIC RTLS Locating Manager (critical 9.4)
- [CVE-2020-10050](https://insights.sbomify.com/CVE-2020-10050/): A vulnerability has been identified in SIMATIC RTLS Locating Manager (All versions < V2.10.2). (high 7.8)
- [CVE-2020-10051](https://insights.sbomify.com/CVE-2020-10051/): Command injection in SIMATIC RTLS Locating Manager (high 7.8)
- [CVE-2020-10049](https://insights.sbomify.com/CVE-2020-10049/): Command injection in SIMATIC RTLS Locating Manager (high 7.3)
- [CVE-2020-10052](https://insights.sbomify.com/CVE-2020-10052/): Information disclosure in SIMATIC RTLS Locating Manager (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-30034 and fix it if it is affected.

What it is: CVE-2025-30034 is a medium-severity denial of service vulnerability in Siemens SIMATIC RTLS Locating Manager, published on 12 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-30034 in the wild and no public exploit code.

Affected product: Siemens SIMATIC RTLS Locating Manager. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-30034/ (Markdown: https://insights.sbomify.com/CVE-2025-30034/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-30034
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-30034
- OSV: https://osv.dev/vulnerability/CVE-2025-30034

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-30034/
Summaries are generated and may contain mistakes; the official description above is the record.