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Security researchers are flagging a maximum-severity flaw in Qihoo 360 D603-2, D600-2, D606-6 and D706 routers running firmware up to 6.4.9. The testspeed_command function in /fs2/bin/iscm mishandles the host argument, opening the door to OS command injection that can be triggered remotely.

The exploit is already public and may be used in the wild, while the vendor reportedly did not respond to the disclosure. With a CVSS score of 10.0, this is a full-throttle wake-up call: update immediately if a patch exists, restrict remote access to the affected interface, and validate every command argument.

Critical alert: Qihoo 360 routers hit by 10.0 command injection flaw and public exploit

#cybersecurity #vulnerability #command-injection #router-security #qihoo-360 #cve-2026-121607 #public-exploit

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Your router is the gatekeeper between your devices and the internet, and default settings often leave the door wide open. A new guide shows how to lock it down in about 10 minutes by changing default credentials, switching to WPA3-Personal, and using a guest network to isolate smart devices.

Disabling WPS and updating your admin login are quick wins that close common attack paths. These simple tweaks boost privacy, reduce exposure to brute-force attacks, and keep your home network safer without buying new gear.

For extra protection on public or untrusted networks, a trusted VPN adds an encrypted layer between your traffic and prying eyes. Pair these router fixes with ProtonVPN for safer, more private browsing.

Lock down your Wi-Fi: router security in 10 minutes

#cybersecurity #privacy #vpn #wifi #router-security #home-network

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