ZDI-CAN-9768: (0Day) NETGEAR R6700 httpd strtblupgrade Integer Overflow Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of string table file uploads. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the admin user.

Affected Software

1 affected component
Netgear R6700

Event History

Feb 2, 2025
Advisory Published
via ZDI·07:52 AM

Frequently Asked Questions

1

What is the severity of ZDI-CAN-9768?

The severity of ZDI-CAN-9768 is critical due to the ability for unauthenticated network-adjacent attackers to execute arbitrary code.

2

What systems are affected by ZDI-CAN-9768?

ZDI-CAN-9768 affects NETGEAR R6700 routers running vulnerable versions of firmware.

3

How do I fix ZDI-CAN-9768?

To fix ZDI-CAN-9768, update the NETGEAR R6700 router firmware to the latest version provided by NETGEAR.

4

Can ZDI-CAN-9768 be exploited remotely?

Yes, ZDI-CAN-9768 can be exploited by network-adjacent attackers without the need for authentication.

5

What type of vulnerability is ZDI-CAN-9768?

ZDI-CAN-9768 is a remote code execution vulnerability involving improper handling of string table file uploads.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203