CVE-2026-2891— Poly Voice Devices (CCX, Trio, Edge E) – Potential Denial of Service
Possible ATT&CK Techniques 2AI
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I. Basic Information for CVE-2026-2891
Vulnerability Information
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Vulnerability Title
Poly Voice Devices (CCX, Trio, Edge E) – Potential Denial of Service
Source: NVD (National Vulnerability Database)
Vulnerability Description
The following Poly Voice IP devices, CCX, Trio, and Edge E, might be inoperable if they connect to a malicious SIP server and receive malformed data. HP is releasing updates to mitigate these potential vulnerabilities.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
HP CCX 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HP CCX是美国HP公司的一款商务媒体 IP 桌面电话。 HP CCX存在资源管理错误漏洞，该漏洞源于连接到恶意SIP服务器并接收畸形数据时可能导致设备无法运行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-2891
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Vendor Advisories for CVE-2026-2891 (1)
IV. Related Vulnerabilities
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SIP Service Providers – Possible Impersonation of Poly Voice
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V. Comments for CVE-2026-2891
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