Description
This module exploits CVE-2022-30525, an unauthenticated remote command injection vulnerability affecting Zyxel firewalls with zero touch provisioning (ZTP) support. By sending a malicious setWanPortSt command containing an mtu field with a crafted OS command to the /ztp/cgi-bin/handler page, an attacker can gain remote command execution as the nobody user.
Affected Zyxel models are:
* USG FLEX 50, 50W, 100W, 200, 500, 700 using firmware 5.21 and below * USG20-VPN and USG20W-VPN using firmware 5.21 and below * ATP 100, 200, 500, 700, 800 using firmware 5.21 and below
Module options
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
msf > use exploit/linux/http/zyxel/ztp_rcemsf undefined(ztp_rce) > show actions ...actions...msf undefined(ztp_rce) > set ACTION < action-name >msf undefined(ztp_rce) > show options ...show and set options...msf undefined(ztp_rce) > runPrioritise with Active Threat Intelligence
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