What’s Vulnerable › Products

Yealink SIP-T46U vulnerabilities

6 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 6 published in the last 12 months.

Check whether your Yealink SIP-T46U version is affected

Latest Yealink SIP-T46U vulnerabilities

• CVE-2026-12223 — Yealink SIP-T46U Web FastCGI Service tftpuploadiperf mod_webd.TFTPUploadIperf command injection (CVSS 5.5)
• CVE-2026-12222 — Yealink SIP-T46U Web FastCGI Service bttest mod_webd.BlueToothTest stack-based overflow (CVSS 8.0)
• CVE-2026-12221 — Yealink SIP-T46U Firmware Chunk Upload upgrade sprintf stack-based overflow (CVSS 8.0)
• CVE-2026-12220 — Yealink SIP-T46U Firmware Chunk Upload handler accupgradebychunk mod_upgrade.SparePartsUpload stack-based overflow (CVSS 8.0)
• CVE-2026-12219 — Yealink SIP-T46U Web FastCGI Service start mod_diagnose.CommandShellByType command injection (CVSS 6.3)
• CVE-2026-12218 — Yealink SIP-T46U Web FastCGI Service beforewifitest StartReportInformation stack-based overflow (CVSS 8.0)