Over 40,000 Cisco IOS XE devices infected with backdoor using zero-dayMore than 40,000 Cisco devices running the IOS XE operating system have been compromised after hackers exploited a recently disclosed maximum severity vulnerability tracked as CVE-2023-20198. [...]
Source: Over 40,000 Cisco IOS XE devices infected with backdoor using zero-day (https://www.bleepingcomputer.com/news/security/over-40-000-cisco-ios-xe-devices-infected-with-backdoor-using-zero-day/)