GreyNoise found attempts to exploit CVE-2023-28771, a vulnerability in Zyxel’s IKE affecting UDP port 500. The attack centers around CVE-2023-28771, a high-severity remote code execution vulnerability (CVSS 9.8) affecting Zyxel Internet Key Exchange (IKE) packet decoders over UDP port 500. Exploitation attempts against CVE-2023-28771 were minimal throughout recent weeks. On June 16, GreyNoise observed a … Continue reading ALERT (CVE: 2023-28771)
Zyxel Firewalls Under Attack via CVE-2023-28771 by 244 IPs