CVE-2020-15634 Code injection in R6700
Network-adjacent attackers can execute arbitrary code on NETGEAR R6700 routers via format string injection in file uploads without authentication.
- 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-2020-15634?
CVE-2020-15634 is a medium-severity code injection vulnerability in Netgear R6700 Firmware, published on 19 Aug 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 routers with firmware 1.0.4.84_10.0.58. 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 a user-supplied string before using it as a format specifier. An attacker can leverage this vulnerability to execute code in the context of the web server. Was ZDI-CAN-9755.
Weakness: CWE-134
Which versions are affected by CVE-2020-15634?
It affects 1 product.
Products include Netgear R6700 Firmware.
How do I fix CVE-2020-15634?
No fix has been published for CVE-2020-15634 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-2020-15634 being exploited?
There is no known exploitation of CVE-2020-15634 in the wild and no public exploit code.
Other vulnerabilities in Netgear R6700 Firmware
Sources
Also known as GHSA-vm37-79xw-5wf6.