RCE Exploits Detected Targeting Zyxel Devices via CVE-2023-28771
222/68 Thursday, June 19, 2025 GreyNoise has reported widespread exploitation attempts targeting CVE-2023-28771, a critical Remote Code Execution (RCE) vulnerability (CVSS score: 9.8) affecting Zyxel devices’ IKE decoder via UDP port 500. On June 16, 2025, GreyNoise detected attack attempts from 244 unique IP addresses over a short timeframe, with primary targets located in the […]
