Mris botnet responsible for huge waves of distributed denial-of-service attacks recorded by cybersecurity firms Qrator Labs and Cloudflare. Botnet is still active, using “abandoned” MikroTik routers running a vulnerable version of Mikrotik RouterOS. Only 30% of these vulnerable devices were patched successfully – which means that approximately 200,000 routers are still vulnerable, according to a report from cybersecurity company Tenable. Mikro tik says there is not much that it can do as the vulnerability being exploited in its devices is from three years ago.”]
Source: https://www.cuinfosecurity.com/meris-how-to-stop-most-powerful-botnet-on-record-a-17574