Router firmware updates require manual reboots and break VPN tunnels
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Unlike phones and computers that update seamlessly, most consumer routers require a manual reboot to apply firmware updates — and many don't auto-update at all. When they do reboot (taking 2-4 minutes), every device on the network loses connectivity simultaneously. So what? Users who run always-on services — NAS backups, security cameras recording to cloud, VPN tunnels for remote work — experience data loss or broken sessions. So what? VPN tunnels (WireGuard, OpenVPN) don't automatically reconnect on many clients, so the remote worker's connection to their corporate network dies silently. So what? They don't realize they've lost VPN connectivity until a file save fails or an internal website times out, potentially hours later. So what? Critical work is lost, and the user blames their VPN software or IT department rather than the router update. This persists because router manufacturers use monolithic firmware architectures where any change requires a full reboot (unlike modern Linux systems that can hot-patch most services), and because there's no standard mechanism for routers to notify connected devices that a reboot is imminent.
Evidence
ASUS, Netgear, and TP-Link routers all require full reboots for firmware updates — typical reboot time is 2-4 minutes per user reports. Eero is one of the few consumer routers with automatic updates but still requires reboots. NIST CVE database shows an average of 12-15 router firmware vulnerabilities disclosed per year across major brands, meaning frequent updates are necessary. WireGuard's protocol has no built-in reconnection mechanism — the client must detect the outage and re-initiate.