CVE-2020-10926 Code injection in R6700
Network-adjacent attackers can execute arbitrary code as root on NETGEAR R6700 routers by exploiting improper validation during firmware updates.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-10926?
CVE-2020-10926 is a high-severity code injection vulnerability in Netgear R6700 Firmware, published on 28 Jul 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of firmware updates. The issue results from the lack of proper validation of the firmware image prior to performing an upgrade. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-9648.
Weakness: CWE-494
Which versions are affected by CVE-2020-10926?
It affects 1 product.
Products include Netgear R6700 Firmware.
How do I fix CVE-2020-10926?
No fix has been published for CVE-2020-10926 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-10926 being exploited?
There is no known exploitation of CVE-2020-10926 in the wild and no public exploit code.
Other vulnerabilities in Netgear R6700 Firmware
Sources
Also known as GHSA-hqvg-c75v-f3jx.