CVE-2021-27239

The CVE-2021-27239 issue affects NETGEAR R6400 and R6700 routers with firmware 1.0.4.98. The flaw resides in the upnpd service, which listens on UDP port 1900; a crafted MX header in an SSDP message can overflow a fixed-length stack-based buffer, allowing network-adjacent attackers to execute arb...