ZDI-CAN-15879: (Pwn2Own) NETGEAR R6700v3 circled Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the circled daemon. A crafted circleinfo.txt file can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NETGEAR R6700v3 firmware |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-15879?
The severity of ZDI-CAN-15879 is high due to the potential for arbitrary code execution by network-adjacent attackers.
How do I fix ZDI-CAN-15879?
To fix ZDI-CAN-15879, update the firmware of your NETGEAR R6700v3 router to the latest version provided by NETGEAR.
What type of attacks can exploit ZDI-CAN-15879?
ZDI-CAN-15879 can be exploited through arbitrary code execution attacks by bypassing the authentication mechanism.
Is authentication required to exploit ZDI-CAN-15879?
Yes, although authentication is required, it can be bypassed, making this vulnerability particularly concerning.
What products are affected by ZDI-CAN-15879?
The affected product for ZDI-CAN-15879 is the NETGEAR R6700v3 router.
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