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.
Vulnerability Analysis
CVE-2026-2891 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
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.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.