SANS Stormcast Wednesday, January 7th, 2026: Tailsnitch Review; D-Link DSL EoL Vuln; TOTOLINK Unpatched Vuln (#)

SANS Stormcast Wednesday, January 7th, 2026: Tailsnitch Review; D-Link DSL EoL Vuln; TOTOLINK Unpatched Vuln Tool Review: Tailsnitch Tailsnitch is a tool to audit your Tailscale configuration. It does a comprehensive analysis of your configuration and suggests (or even applies) fixes. https://isc.sans.edu/diary/Tool%20Review%3A%20Tailsnitch/32602 D-Link DSL Command Injection via DNS Configuration Endpoint A new vulnerability in very old D-Link DSL modems is currently being exploited. https://www.vulncheck.com/advisories/dlink-dsl-command-injection-via-dns-configuration-endpoint TOTOLINK EX200 firmware-upload error handling can activate an unauthenticated root telnet service TOTOLINK extenders may start a telnet server and allow unauthenticated access if a firmware update fails. https://kb.cert.org/vuls/id/295169 keywords: totolink; ex200; d-link; dsl; tailsnitch; tailscale