CVE-2026-2891 PUBLISHED

Poly Voice Devices (CCX, Trio, Edge E) – Potential Denial of Service

Assigner: hp
Reserved: 20.02.2026 Published: 01.07.2026 Updated: 01.07.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	HP Inc
Product	CCX
Versions	Default: unaffected affected from 0 to 9.50 (excl.)

Vendor	HP Inc
Product	Trio C60
Versions	Default: unaffected affected from 0 to 9.5.0 (excl.)

Vendor	HP Inc
Product	Edge E
Versions	Default: unaffected affected from 0 to 8.6.0 (excl.)

References

https://support.hp.com/us-en/document/ish_15222895-15222917-16/hpsbpy04096

Problem Types

CWE-400 CWE