Denial of Service Vulnerability in QTI Neon UDP Protocol Library by Quiet Terminal Interactive
CVE-2026-54609

8.6HIGH

Key Information:

Vendor

Quiet-terminal-interactive

Status
Qtineon
Vendor
CVE Published:
28 July 2026

What is CVE-2026-54609?

The QTI Neon UDP protocol library, specifically in version 1.0.0, exhibits a vulnerability where the relay's handleReconnectRequest method forwards RECONNECT_REQUEST packets to the host without proper validation. This flaw enables unauthenticated clients to exploit the relay-to-host communication, potentially leading to a denial of service on the host. As of now, there is no fixed version available to address this issue.

Affected Version(s)

QTINeon 1.0.0

References

https://github.com/Quiet-Terminal-Interactive/QTINeon/sec...
x_refsource_CONFIRM

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.