Amplification

An unauthenticated attacker can exploit an unbounded RECONNECT_REQUEST forwarding vulnerability in QTINeon's NeonRelay component to amplify denial-of-service attacks against a connected host. By sending spoofed RECONNECT_REQUEST packets, the relay forwards each one to the host without proper deduplication or rate limiting, consuming host resources. Additionally, excessive spoofed IPs can reset legitimate rate limiting, further impacting service availability. This vulnerability affects Java, Python, and TypeScript implementations of NeonRelay.