# CVE-2024-39838: Hardcoded credentials in ZWX-2000CSW2-HN

> Hard-coded credentials in ZEXELON network switches allow network-adjacent attackers to gain administrative access and modify device configuration.

- **Severity:** High 8.8 (`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **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:** 5 Aug 2024
- **Updated:** 25 Mar 2025
- **Also known as:** GHSA-3v7c-xw2c-76j5

## What is CVE-2024-39838?

CVE-2024-39838 is a high-severity vulnerability in ZEXELON CO., LTD. ZWX-2000CSW2-HN, published on 5 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

ZWX-2000CSW2-HN firmware versions prior to Ver.0.3.15 uses hard-coded credentials, which may allow a network-adjacent attacker with an administrative privilege to alter the configuration of the device.

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2024-39838?

It affects 1 product.


Products: Zexelon Zwx-2000csw2-Hn Firmware.

## How do I fix CVE-2024-39838?

No fix has been published for CVE-2024-39838 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-39838 being exploited?

There is no known exploitation of CVE-2024-39838 in the wild and no public exploit code.

## Other vulnerabilities in ZEXELON CO., LTD. ZWX-2000CSW2-HN

- [CVE-2024-41720](https://insights.sbomify.com/CVE-2024-41720/): Missing authorization in ZWX-2000CSW2-HN (high 8.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-39838 and fix it if it is affected.

What it is: CVE-2024-39838 is a high-severity vulnerability in ZEXELON CO., LTD. ZWX-2000CSW2-HN, published on 5 Aug 2024. 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-2024-39838 in the wild and no public exploit code.

Affected product: ZEXELON CO., LTD. ZWX-2000CSW2-HN. 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-2024-39838/ (Markdown: https://insights.sbomify.com/CVE-2024-39838/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-39838
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-39838
- OSV: https://osv.dev/vulnerability/CVE-2024-39838

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-39838/
Summaries are generated and may contain mistakes; the official description above is the record.