Routers and modems running a version of the Arcadyan firmware, including devices from ASUS, Orange, Vodafone, and Verizon, are currently under attack from a threat actor attempting to ensnare the devices into their DDoS botnet. From a report: First spotted by security firm Bad Packets earlier this week and confirmed by Juniper Labs on Friday, the attacks are exploiting a vulnerability tracked as CVE-2021-20090.