A stack overflow vulnerability exists in the upnpd service in Netgear EX6100v1 201.0.2.28, CAX80 2.1.2.6, and DC112A 1.0.0.62, which may lead to the execution of arbitrary code without authentication.
github.com/doudoudedi/Netgear_product_stack_overflow/blob/main/NETGEAR%20EX%20series%20upnpd%20stack_overflow.md
kb.netgear.com/000064615/Security-Advisory-for-Pre-Authentication-Command-Injection-on-EX6100v1-and-Pre-Authentication-Stack-Overflow-on-Multiple-Products-PSV-2021-0282-PSV-2021-0288
www.netgear.com/about/security/