Poly Voice IP Devices: Inoperability via Malformed SIP Data
CVE-2026-2891 Published on July 1, 2026
Poly Voice Devices (CCX, Trio, Edge E) – Potential Denial of Service
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.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2026-2891 has been classified to as a Resource Exhaustion vulnerability or weakness.
Affected Versions
HP Inc CCX:- Before 9.50 is affected.
- Before 9.5.0 is affected.
- Before 8.6.0 is affected.