Critical Flaw Found in Older Cisco Small Business Routers Won't Be Fixed

A critical vulnerability in Cisco Small Business Routers will not be patched by the networking equipment giant, since the devices reached end-of-life in 2019. Tracked as CVE-2021-34730 (CVSS score: 9.8), the issue resides in the routers' Universal Plug-and-Play (UPnP) service, enabling an unauthenticated, remote attacker to execute arbitrary code or cause an affected device to restart
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