CVE-2026-9403 | Edimax BR-6675nD 1.12 POST Request /goform/formWlSiteSurvey selSSID buffer overflow (EUVD-2026-31605)

A vulnerability marked as critical has been reported in Edimax BR-6675nD 1.12. The impacted element is the function formWlSiteSurvey of the file /goform/formWlSiteSurvey of the component POST Request Handler. This manipulation of the argument selSSID causes buffer overflow.

This vulnerability appears as CVE-2026-9403. 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.