CVE-2026-4583 | Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N Bluetooth authentication replay

A vulnerability marked as critical has been reported in Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. Affected by this issue is some unknown functionality of the component Bluetooth Handler. Performing a manipulation results in authentication bypass by capture-replay.

This vulnerability is cataloged as CVE-2026-4583. The attack must originate from the local network. Furthermore, there is an exploit available.

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