Hackers Abuse Mitel Devices to Amplify DDoS Attacks by 4 Billion Times

Threat actors have been observed abusing a high-impact reflection/amplification method to stage sustained distributed denial-of-service DDoS attacks for up to 14 hours with a record-breaking amplification ratio of 4,294,967,296 to 1. The attack vector – dubbed TP240PhoneHome CVE-2022-26143 – has...