# CVE-2025-2919: Netis WF-2404 UART hardware allows activation of test or debug logic at runtime

> Physical access to the Netis WF-2404 router allows attackers to activate debug logic via UART, potentially leading to unauthorized control.

- **Severity:** High 7.0 (`CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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:** 28 Mar 2025
- **Updated:** 28 Mar 2025
- **Also known as:** GHSA-rxhh-c759-8w6x

## What is CVE-2025-2919?

CVE-2025-2919 is a high-severity vulnerability in Netis WF-2404, published on 28 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was found in Netis WF-2404 1.1.124EN. It has been declared as critical. This vulnerability affects unknown code of the component UART. The manipulation leads to hardware allows activation of test or debug logic at runtime. It is possible to launch the attack on the physical device. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-489 (Active Debug Code), CWE-1313 (Hardware Allows Activation of Test or Debug Logic at Runtime)

## Which versions are affected by CVE-2025-2919?

It affects 1 product.


Products: Netis-Systems Netis Wf-2404 Firmware.

## How do I fix CVE-2025-2919?

No fix has been published for CVE-2025-2919 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-2919 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-2919 exists.

## Other vulnerabilities in Netis WF-2404

- [CVE-2025-2921](https://insights.sbomify.com/CVE-2025-2921/): Netis WF-2404 passwd default password (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-2919 and fix it if it is affected.

What it is: CVE-2025-2919 is a high-severity vulnerability in Netis WF-2404, published on 28 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-2919 exists.

Affected product: Netis WF-2404. 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-2025-2919/ (Markdown: https://insights.sbomify.com/CVE-2025-2919/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-2919
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-2919
- OSV: https://osv.dev/vulnerability/CVE-2025-2919

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-2919/
Summaries are generated and may contain mistakes; the official description above is the record.