module

Netgear R7000 backup.cgi Heap Overflow RCE

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Disclosed
2021-04-21
Created
2021-07-29

Description

This module exploits a heap buffer overflow in the genie.cgi?backup.cgi
page of Netgear R7000 routers running firmware version 1.0.11.116.
Successful exploitation results in unauthenticated attackers gaining
code execution as the root user.

The exploit utilizes these privileges to enable the telnet server
which allows attackers to connect to the target and execute commands
as the admin user from within a BusyBox shell. Users can connect to
this telnet server by running the command "telnet *target IP*".

Authors

colorlight2019
SSD Disclosure
Grant Willcox (tekwizz123)

Platform

Linux

Architectures

armle

References

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 auxiliary/admin/http/netgear_r7000_backup_cgi_heap_overflow_rce
    msf auxiliary(netgear_r7000_backup_cgi_heap_overflow_rce) > show actions
        ...actions...
    msf auxiliary(netgear_r7000_backup_cgi_heap_overflow_rce) > set ACTION < action-name >
    msf auxiliary(netgear_r7000_backup_cgi_heap_overflow_rce) > show options
        ...show and set options...
    msf auxiliary(netgear_r7000_backup_cgi_heap_overflow_rce) > run
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