CVE-2021-38523 Memory corruption in n/a
An authenticated user can trigger a stack-based buffer overflow on NETGEAR R6400 devices, potentially leading to arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-38523?
CVE-2021-38523 is a medium-severity memory corruption vulnerability in Netgear R6400 Firmware, published on 11 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NETGEAR R6400 devices before 1.0.1.70 are affected by a stack-based buffer overflow by an authenticated user.
Weakness: CWE-787
Which versions are affected by CVE-2021-38523?
It affects 1 product.
Products include Netgear R6400 Firmware.
How do I fix CVE-2021-38523?
No fix has been published for CVE-2021-38523 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-38523 being exploited?
There is no known exploitation of CVE-2021-38523 in the wild and no public exploit code.
Other vulnerabilities in Netgear R6400 Firmware
Sources
Also known as GHSA-jqvr-33gh-5xm9.