CVE-2026-12809 | Edimax BR-6478AC V2 1.23 POST Request wiz_5in1_redirect newpass command injection

A vulnerability was found in Edimax BR-6478AC V2 1.23. It has been declared as critical. 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.

This vulnerability is uniquely identified as CVE-2026-12809. The attack can be launched remotely. Moreover, an exploit is present.

The vendor was contacted early about this disclosure but did not respond in any way.