Researchers Detect Exploitation Attempts of CVE-2023-28771 Vulnerability in Zyxel Devices

Researchers from GreyNoise have detected attempts to exploit the CVE-2023-28771 vulnerability in Zyxel devices. On June 16, they observed attacks targeting this remote code execution flaw, which affects Zyxel's IKE decoders via UDP port 500. The vulnerability has a CVSS score of 9.8. Exploitation attempts were minimal until this date.