CVE-2026-12222 | Yealink SIP-T46U 108.86.0.118 Web FastCGI Service /api/inner/bttest mod_webd.BlueToothTest btMac/pin/reserved stack-based overflow

June 14, 2026 Yanac

A vulnerability was found in Yealink SIP-T46U 108.86.0.118 and classified as critical. Affected is the function mod_webd.BlueToothTest of the file /api/inner/bttest of the component Web FastCGI Service. Executing a manipulation of the argument btMac/pin/reserved can lead to stack-based buffer overflow.

The identification of this vulnerability is CVE-2026-12222. The attack needs to be done within the local network. Furthermore, there is an exploit available.

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