Zyxel CPE Devices Face Active Exploitation Due to Unpatched CVE-2024-40891 Vulnerability
Jan 29, 2025
Vulnerability / Network Security
Cybersecurity researchers are warning that a critical zero-day vulnerability impacting Zyxel CPE Series devices is seeing active exploitation attempts in the wild. "Attackers can leverage this vulnerability to execute arbitrary commands on affected devices, leading to complete system compromise, data exfiltration, or network infiltration," GreyNoise researcher Glenn Thorpe said in an alert published Tuesday. The vulnerability in question is CVE-2024-40891, a critical command injection vulnerability that has neither been publicly disclosed nor patched. The existence of the bug was first reported by VulnCheck in July 2024. Statistics gathered by the threat intelligence firm show that attack attempts have originated from dozens of IP addresses , with a majority of them located in Taiwan. According to Censys, there are more than 1,500 vulnerable devices online. "CVE-2024-40891 is very similar to CVE-2024-40890, with the main difference being that the former is Teln...