{"schema_version":1,"title":"Yealink SIP-T46U vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 6 vulnerabilities in Yealink SIP-T46U: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-12223, was published on 15 June 2026.","url":"https://junglewise.ai/threats/technologies/sip-t46u","json_url":"https://junglewise.ai/threats/technologies/sip-t46u.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/sip-t46u","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":4,"all_time":6,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":6},"latest":[{"cve":"CVE-2026-12223","cvss":5.5,"slug":"cve-2026-12223-yealink-sip-t46u-command-injection-in-web-fastcgi-service","title":"Yealink SIP-T46U command injection in Web FastCGI Service","severity":"medium","exploited":false,"published_at":"2026-06-15T06:16:24.567+00:00","url":"https://junglewise.ai/threats/cve-2026-12223-yealink-sip-t46u-command-injection-in-web-fastcgi-service"},{"cve":"CVE-2026-12222","cvss":8,"slug":"cve-2026-12222-yealink-sip-t46u-stack-buffer-overflow-in-web-fastcgi-service","title":"Yealink SIP-T46U stack buffer overflow in Web FastCGI Service","severity":"high","exploited":false,"published_at":"2026-06-15T06:16:24.413+00:00","url":"https://junglewise.ai/threats/cve-2026-12222-yealink-sip-t46u-stack-buffer-overflow-in-web-fastcgi-service"},{"cve":"CVE-2026-12221","cvss":8,"slug":"cve-2026-12221-yealink-sip-t46u-stack-based-buffer-overflow-in-firmware-chunk","title":"Yealink SIP-T46U stack-based buffer overflow in Firmware Chunk Upload Handler","severity":"high","exploited":false,"published_at":"2026-06-15T06:16:24.263+00:00","url":"https://junglewise.ai/threats/cve-2026-12221-yealink-sip-t46u-stack-based-buffer-overflow-in-firmware-chunk"},{"cve":"CVE-2026-12220","cvss":8,"slug":"cve-2026-12220-yealink-sip-t46u-stack-overflow-in-firmware-chunk-upload-handler","title":"Yealink SIP-T46U stack overflow in Firmware Chunk Upload handler","severity":"high","exploited":false,"published_at":"2026-06-15T06:16:24.113+00:00","url":"https://junglewise.ai/threats/cve-2026-12220-yealink-sip-t46u-stack-overflow-in-firmware-chunk-upload-handler"},{"cve":"CVE-2026-12219","cvss":6.3,"slug":"cve-2026-12219-yealink-sip-t46u-command-injection-in-web-fastcgi-service","title":"Yealink SIP-T46U command injection in Web FastCGI Service","severity":"medium","exploited":false,"published_at":"2026-06-15T06:16:23.953+00:00","url":"https://junglewise.ai/threats/cve-2026-12219-yealink-sip-t46u-command-injection-in-web-fastcgi-service"},{"cve":"CVE-2026-12218","cvss":8,"slug":"cve-2026-12218-yealink-sip-t46u-stack-based-buffer-overflow-in-web-fastcgi","title":"Yealink SIP-T46U stack-based buffer overflow in Web FastCGI Service","severity":"high","exploited":false,"published_at":"2026-06-15T06:16:22.673+00:00","url":"https://junglewise.ai/threats/cve-2026-12218-yealink-sip-t46u-stack-based-buffer-overflow-in-web-fastcgi"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Yealink SIP-T46U","slug":"sip-t46u","vendor":{"name":"Yealink","slug":"yealink","url":"https://junglewise.ai/threats/vendors/yealink"},"aliases":[],"category":"firmware","homepage":"https://www.yealink.com/en-us/product-detail/ip-phone-t46u","repo_url":"https://www.yealink.com/en/product-detail/ip-phone-t46u","description":"Firmware for the Yealink SIP-T46U IP phone, providing the operating environment and communication protocols for the hardware.","url":"https://junglewise.ai/threats/technologies/sip-t46u"},"most_severe":[{"cve":"CVE-2026-12222","cvss":8,"slug":"cve-2026-12222-yealink-sip-t46u-stack-buffer-overflow-in-web-fastcgi-service","title":"Yealink SIP-T46U stack buffer overflow in Web FastCGI Service","severity":"high","exploited":false,"published_at":"2026-06-15T06:16:24.413+00:00","url":"https://junglewise.ai/threats/cve-2026-12222-yealink-sip-t46u-stack-buffer-overflow-in-web-fastcgi-service"},{"cve":"CVE-2026-12221","cvss":8,"slug":"cve-2026-12221-yealink-sip-t46u-stack-based-buffer-overflow-in-firmware-chunk","title":"Yealink SIP-T46U stack-based buffer overflow in Firmware Chunk Upload Handler","severity":"high","exploited":false,"published_at":"2026-06-15T06:16:24.263+00:00","url":"https://junglewise.ai/threats/cve-2026-12221-yealink-sip-t46u-stack-based-buffer-overflow-in-firmware-chunk"},{"cve":"CVE-2026-12220","cvss":8,"slug":"cve-2026-12220-yealink-sip-t46u-stack-overflow-in-firmware-chunk-upload-handler","title":"Yealink SIP-T46U stack overflow in Firmware Chunk Upload handler","severity":"high","exploited":false,"published_at":"2026-06-15T06:16:24.113+00:00","url":"https://junglewise.ai/threats/cve-2026-12220-yealink-sip-t46u-stack-overflow-in-firmware-chunk-upload-handler"},{"cve":"CVE-2026-12218","cvss":8,"slug":"cve-2026-12218-yealink-sip-t46u-stack-based-buffer-overflow-in-web-fastcgi","title":"Yealink SIP-T46U stack-based buffer overflow in Web FastCGI Service","severity":"high","exploited":false,"published_at":"2026-06-15T06:16:22.673+00:00","url":"https://junglewise.ai/threats/cve-2026-12218-yealink-sip-t46u-stack-based-buffer-overflow-in-web-fastcgi"},{"cve":"CVE-2026-12219","cvss":6.3,"slug":"cve-2026-12219-yealink-sip-t46u-command-injection-in-web-fastcgi-service","title":"Yealink SIP-T46U command injection in Web FastCGI Service","severity":"medium","exploited":false,"published_at":"2026-06-15T06:16:23.953+00:00","url":"https://junglewise.ai/threats/cve-2026-12219-yealink-sip-t46u-command-injection-in-web-fastcgi-service"},{"cve":"CVE-2026-12223","cvss":5.5,"slug":"cve-2026-12223-yealink-sip-t46u-command-injection-in-web-fastcgi-service","title":"Yealink SIP-T46U command injection in Web FastCGI Service","severity":"medium","exploited":false,"published_at":"2026-06-15T06:16:24.567+00:00","url":"https://junglewise.ai/threats/cve-2026-12223-yealink-sip-t46u-command-injection-in-web-fastcgi-service"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}