A vulnerability was found in Edimax BR-6478AC V2 1.23 . It has been rated as critical . Affected by this vulnerability is the function mp of the file /goform/mp of the component POST Request Handler . Performing a manipulation of the argument command results in command injection. This vulnerability was named CVE-2026-12810 . The attack may be initiated remotely. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.