# CVE-2025-5597: WF Steuerungstechnik GmbH - airleader MASTER - Authentication Bypass

> An authentication bypass vulnerability in WF Steuerungstechnik GmbH airleader MASTER allows attackers to circumvent authentication controls.

- **Severity:** Critical 10.0 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Jun 2025
- **Updated:** 4 Jun 2025
- **Also known as:** GHSA-6v59-r3jm-5c87

## What is CVE-2025-5597?

CVE-2025-5597 is a critical authentication bypass vulnerability in WF Steuerungstechnik GmbH airleader MASTER, published on 4 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Improper Authentication vulnerability in WF Steuerungstechnik GmbH airleader MASTER allows Authentication Bypass.This issue affects airleader MASTER: 3.00571.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2025-5597?


## How do I fix CVE-2025-5597?

No fix has been published for CVE-2025-5597 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-5597 being exploited?

There is no known exploitation of CVE-2025-5597 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-5597 and fix it if it is affected.

What it is: CVE-2025-5597 is a critical authentication bypass vulnerability in WF Steuerungstechnik GmbH airleader MASTER, published on 4 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-5597 in the wild and no public exploit code.

Affected product: WF Steuerungstechnik GmbH airleader MASTER. 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-2025-5597/ (Markdown: https://insights.sbomify.com/CVE-2025-5597/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-5597
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-5597
- OSV: https://osv.dev/vulnerability/CVE-2025-5597

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-5597/
Summaries are generated and may contain mistakes; the official description above is the record.