ZyNOS

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ZyNOS is the proprietary operating system used on network devices made by the ZyXEL Communications Corporation.^[1] The name is a contraction of ZyXEL and Network Operating System (NOS)--ZyNOS.

History

The ZyXEL Communications Corporation first introduced ZyNOS in 1998.^[2]

Versions

ZyXEL released ZyNOS version 4.0 for their GS2200 series 24 and 48 port ethernet switches in April, 2012.^[3] It appears that versions differ between ZyXEL products.

Access methods

Web and/or command line interface (CLI) depending on the device. Web access is accomplished by connecting an ethernet cable between a PC and an open port on the device and entering the IP address of the device into the Web browser.^[4] An RS-232 serial console port is provided on some devices for CLI access, which is accomplished by using SSH or telnet.^[5]

CLI command types

Listed below are the categories that the CLI commands are grouped by.^[6]

System Related Commands
Exit Command
Ethernet Related Commands
WAN Related Commands
WLAN Related Commands
IP Related Commands
PPP Related Commands
Bridge Related Commands
RADIUS Related Commands
802.1x Related Commands
Firewall Firewall Related Commands
Configuration Related Commands
SMT Related Commands - these commands appear to be menu-driven commands for system, WAN, LAN, IP and WLAN.

Web Configurator

The Web Configurator is divided into the following categories:^[7]^[8]

Basic Setting
Advanced Application
IP Application
Management

Security advisories

Danish computer security company Secunia reports 0 unpatched advisories or vulnerabilities on ZyNOS version 4.X.^[9]

Secunia reports 7 advisories and 6 vulnerabilities on ZyNOS version 3.X. 5 advisories are unpatched. Secunia rates the most severe unpatched advisory as less critical.^[10]

References

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