ZDI-CAN-9853: NETGEAR R6700 acsd Stack-based Buffer 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 acsd service, which listens on TCP port 5916 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the admin user.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-9853?
The severity of ZDI-CAN-9853 is critical due to the potential for arbitrary code execution without authentication.
How do I fix ZDI-CAN-9853?
To fix ZDI-CAN-9853, update your NETGEAR R6700 router to the latest firmware version provided by NETGEAR.
Who is affected by ZDI-CAN-9853?
ZDI-CAN-9853 affects installations of NETGEAR R6700 routers that are running vulnerable firmware versions.
Can ZDI-CAN-9853 be exploited remotely?
Yes, ZDI-CAN-9853 can be exploited by network-adjacent attackers as no authentication is required.
What kind of attack does ZDI-CAN-9853 enable?
ZDI-CAN-9853 enables attackers to execute arbitrary code on the affected NETGEAR R6700 routers.