CVE-2026-12221

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

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...

CVE-2026-12218

A vulnerability was detected in Yealink SIP-T46U 108.87.50.1. The affected element is the function StartReportInformation of the file /api/inner/beforewifitest of the component Web FastCGI Service. The manipulation of the argument port results in stack-based buffer overflow. Access to the local...

CVE-2026-12223 Yealink SIP-T46U Web FastCGI Service tftpuploadiperf mod_webd.TFTPUploadIperf command injection

A vulnerability was identified in Yealink SIP-T46U 108.86.0.118. Affected by this vulnerability is the function modwebd.TFTPUploadIperf of the file /api/inner/tftpuploadiperf of the component Web FastCGI Service. The manipulation of the argument ip/port leads to command injection. The attack need...

EUVD-2026-36696

A vulnerability was identified in Yealink SIP-T46U 108.86.0.118. Affected by this vulnerability is the function modwebd.TFTPUploadIperf of the file /api/inner/tftpuploadiperf of the component Web FastCGI Service. The manipulation of the argument ip/port leads to command injection. The attack need...

CVE-2026-12223

The CVE affects Yealink SIP-T46U with firmware 108.86.0.118, specifically the Web FastCGI Service component. The vulnerability lies in the mod_webd.TFTPUploadIperf function within /api/inner/tftpuploadiperf, where manipulating the ip/port argument leads to command injection. Exploitation is descr...

CVE-2026-12223 Yealink SIP-T46U Web FastCGI Service tftpuploadiperf mod_webd.TFTPUploadIperf command injection

A vulnerability was identified in Yealink SIP-T46U 108.86.0.118. Affected by this vulnerability is the function modwebd.TFTPUploadIperf of the file /api/inner/tftpuploadiperf of the component Web FastCGI Service. The manipulation of the argument ip/port leads to command injection. The attack need...

CVE-2026-12222

CVE-2026-12222 affects Yealink SIP-T46U (firmware 108.86.0.118) via the Web FastCGI Service: function mod_webd.BlueToothTest in /api/inner/bttest, where manipulating btMac/pin/reserved can trigger a stack-based overflow. Exploitation reportedly public and feasible within a local network; vendor d...

CVE-2026-12222 Yealink SIP-T46U Web FastCGI Service bttest mod_webd.BlueToothTest stack-based overflow

A vulnerability was determined in Yealink SIP-T46U 108.86.0.118. Affected is the function modwebd.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 attack needs...

EUVD-2026-36695

A vulnerability was determined in Yealink SIP-T46U 108.86.0.118. Affected is the function modwebd.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 attack needs...

CVE-2026-12222 Yealink SIP-T46U Web FastCGI Service bttest mod_webd.BlueToothTest stack-based overflow

A vulnerability was determined in Yealink SIP-T46U 108.86.0.118. Affected is the function modwebd.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 attack needs...

CVE-2026-12222

A vulnerability was determined in Yealink SIP-T46U 108.86.0.118. Affected is the function modwebd.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 attack needs...

EUVD-2026-36694

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-2026-12221

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-2026-12221 Yealink SIP-T46U Firmware Chunk Upload upgrade sprintf stack-based 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-2026-12221 Yealink SIP-T46U Firmware Chunk Upload upgrade sprintf stack-based 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

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...

CVE-2026-12220 Yealink SIP-T46U Firmware Chunk Upload handler accupgradebychunk mod_upgrade.SparePartsUpload stack-based 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...

CVE-2026-12220 Yealink SIP-T46U Firmware Chunk Upload handler accupgradebychunk mod_upgrade.SparePartsUpload stack-based 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...

EUVD-2026-36693

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...