Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the chunk upload handler process. An attacker can consume excessive server storage by uploading multiple large incomplete file chunks without proper permissions, potentially leading to denial of service for...

CVE-2026-12221: Stack-based Buffer Overflow

A vulnerability was found in Yealink SIP-T46U 108.86.0.118. This impacts the function sprintf of the file /api/upgrade/upgrade of the component Firmware Chunk Upload Handler. Performing a manipulation of the argument uid/startoffset results in stack-based buffer overflow. The attack needs to be...

CVE-2026-12220: Stack-based Buffer Overflow

A vulnerability has been found in Yealink SIP-T46U 108.86.0.118. This affects the function modupgrade.SparePartsUpload of the file /api/upgrade/accupgradebychunk of the component Firmware Chunk Upload handler. Such manipulation of the argument uid leads to stack-based buffer overflow. The attack...