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

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

https://cvefeed.io/rssfeed/latest.atom / Mon, 06/15/2026 - 11:44
CVE ID :CVE-2026-12218
Published : June 15, 2026, 6:16 a.m. | 3 hours, 21 minutes ago
Description :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 network is required for this attack. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity: 8.0 | HIGH
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.