CVE-2026-12221

Yealink SIP-T46U (version 108.86.0.118) is affected by a stack-based buffer overflow in the Firmware Chunk Upload Handler, caused by a faulty sprintf in /api/upgrade/upgrade when manipulating uid/start_offset. Exploitation requires local-network access; the exploit is publicly available. No remed...

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...

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...

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-2026-12219 Yealink SIP-T46U Web FastCGI Service start mod_diagnose.CommandShellByType command injection

A flaw has been found in Yealink SIP-T46U 108.86.0.118. The impacted element is the function moddiagnose.CommandShellByType of the file /api/diagnosis/start of the component Web FastCGI Service. This manipulation of the argument Time causes command injection. The attack can be initiated remotely...

CVE-2026-12219

CVE-2026-12219 concerns Yealink SIP-T46U (108.86.0.118) involving the Web FastCGI Service. The vulnerable element is the function mod_diagnose.CommandShellByType in /api/diagnosis/start, where manipulating the Time argument leads to command injection. The flaw enables a remote attacker to execute...

EUVD-2026-36692

A flaw has been found in Yealink SIP-T46U 108.86.0.118. The impacted element is the function moddiagnose.CommandShellByType of the file /api/diagnosis/start of the component Web FastCGI Service. This manipulation of the argument Time causes command injection. The attack can be initiated remotely...

CVE-2026-12219

A flaw has been found in Yealink SIP-T46U 108.86.0.118. The impacted element is the function moddiagnose.CommandShellByType of the file /api/diagnosis/start of the component Web FastCGI Service. This manipulation of the argument Time causes command injection. The attack can be initiated remotely...

CVE-2026-12218

The CVE-2026-12218 entry concerns Yealink SIP-T46U (firmware version 108.87.50.1) with a vulnerability in Web FastCGI Service, affecting the function StartReportInformation in /api/inner/beforewifitest. The issue is triggered by manipulating the port argument, causing a stack-based buffer overflo...

CVE-2026-12218 Yealink SIP-T46U Web FastCGI Service beforewifitest StartReportInformation stack-based overflow

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...

EUVD-2026-36691

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...

PT-2026-49182

Name of the Vulnerable Software and Affected Versions Yealink SIP-T46U version 108.86.0.118 Description Command injection is possible in the Web FastCGI Service via the mod webd.TFTPUploadIperf function within the '/api/inner/tftpuploadiperf' endpoint. This occurs when the ip/port argument is...

PT-2026-49181

Name of the Vulnerable Software and Affected Versions Yealink SIP-T46U version 108.86.0.118 Description A stack-based buffer overflow exists in the Firmware Chunk Upload handler. This occurs when the uid argument is manipulated within the mod upgrade.SparePartsUpload function of the...

PT-2026-49138

Name of the Vulnerable Software and Affected Versions Yealink SIP-T46U version 108.86.0.118 Description A stack-based buffer overflow exists in the Web FastCGI Service component within the mod webd.BlueToothTest function of the /api/inner/bttest endpoint. This issue occurs when manipulating the...

OESA-2026-2683 sofia-sip security update

Sofia SIP is a RFC-3261-compliant library for SIP user agents and other network elements. The Session Initiation Protocol SIP is an application-layer control signaling protocol for creating, modifying, and terminating sessions with one or more participants. These sessions include Internet telepho...

OESA-2026-2682 sofia-sip security update

Sofia SIP is a RFC-3261-compliant library for SIP user agents and other network elements. The Session Initiation Protocol SIP is an application-layer control signaling protocol for creating, modifying, and terminating sessions with one or more participants. These sessions include Internet telepho...

CVE-2026-45771

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH's bundled XML parser expands nested declarations without a depth or count boun...

EUVD-2026-35468

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH's bundled XML parser expands nested declarations without a depth or count boun...

CVE-2026-45771 Freeswitch Denial-of-Service in SIP PUBLISH Requests via XML Entity Expansion

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH's bundled XML parser expands nested declarations without a depth or count boun...

CVE-2026-45771

FreeSWITCH (before version 1.11.0) is vulnerable to a Denial-of-Service via its bundled XML parser, which expands nested declarations without a bound, allowing an unauthenticated attacker to drive unbounded CPU/memory usage by sending a crafted SIP PUBLISH PIDF body. The issue arises because the...