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Yealink — Vulnerabilities & Security Advisories 14

Browse all 14 CVE security advisories affecting Yealink. AI-powered Chinese analysis, POCs, and references for each vulnerability.

Yealink develops IP phones and video conferencing solutions for business communications. Historically, their devices have faced vulnerabilities including remote code execution, cross-site scripting, and privilege escalation, often stemming from web interfaces and default credentials. Security researchers have identified issues in firmware management and session handling that could allow unauthorized access. While no major public security incidents have been widely reported, the 7 CVEs on record highlight ongoing concerns about secure configuration and patch management in their communication products. Organizations deploying Yealink equipment should implement network segmentation and regular firmware updates to mitigate potential risks.

CVE ID Title CVSS Severity Published
CVE-2026-7208 Yealink SIP-T33G < 124.87.0.0 Race Condition via Diagnostic File Deletion — SIP-T33G CWE-362 5.3 Medium 2026-09-14
CVE-2026-12223 Yealink SIP-T46U Web FastCGI Service tftpuploadiperf mod_webd.TFTPUploadIperf command injection — SIP-T46U CWE-77 5.5 Medium 2026-06-15
CVE-2026-12222 Yealink SIP-T46U Web FastCGI Service bttest mod_webd.BlueToothTest stack-based overflow — SIP-T46U CWE-121 8.0 High 2026-06-15
CVE-2026-12221 Yealink SIP-T46U Firmware Chunk Upload upgrade sprintf stack-based overflow — SIP-T46U CWE-121 8.0 High 2026-06-15
CVE-2026-12220 Yealink SIP-T46U Firmware Chunk Upload handler accupgradebychunk mod_upgrade.SparePartsUpload stack-based overflow — SIP-T46U CWE-121 8.0 High 2026-06-15
CVE-2026-12219 Yealink SIP-T46U Web FastCGI Service start mod_diagnose.CommandShellByType command injection — SIP-T46U CWE-77 6.3 Medium 2026-06-15
CVE-2026-12218 Yealink SIP-T46U Web FastCGI Service beforewifitest StartReportInformation stack-based overflow — SIP-T46U CWE-121 8.0 High 2026-06-15
CVE-2026-1735 Yealink MeetingBar A30 Diagnostic command injection — MeetingBar A30 CWE-77 4.3 Medium 2026-02-02
CVE-2025-68644 Yealink RPS 安全漏洞 — RPS CWE-290 7.4 High 2025-12-21
CVE-2025-14228 Yealink SIP-T21P E2 Local Directory cross site scripting — SIP-T21P E2 CWE-79 3.5 Low 2025-12-08
CVE-2025-52916 Yealink YMCS RPS 安全漏洞 — RPS CWE-307 2.2 Low 2025-06-21
CVE-2025-52917 Yealink YMCS RPS API 安全漏洞 — RPS CWE-770 4.3 Medium 2025-06-21
CVE-2025-52919 Yealink YMCS RPS 信任管理问题漏洞 — RPS CWE-295 4.3 Medium 2025-06-21
CVE-2025-52918 Yealink YMCS 安全漏洞 — RPS CWE-863 5.0 Medium 2025-06-21

This page lists every published CVE security advisory associated with Yealink. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.