CVE-2026-11736 Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk routers
An authenticated admin can exploit a stack-based buffer overflow to modify router software and functionality, potentially leading to 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-2026-11736?
CVE-2026-11736 is a low-severity memory corruption vulnerability in Netgear Rax50 Firmware, published on 11 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A stack-based buffer overflow vulnerability affects certain NETGEAR models allowing an authenticated admin user to make unauthorized modification to router software and functionality.
Which versions are affected by CVE-2026-11736?
It affects 19 products.
Products include Netgear Rax20 Firmware, Netgear Rax35v2 Firmware, Netgear Rax41 Firmware, Netgear Rax41v2 Firmware, Netgear Rax42 Firmware, Netgear Rax42v2 Firmware and 13 more.
How do I fix CVE-2026-11736?
No fix has been published for CVE-2026-11736 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-2026-11736 being exploited?
There is no known exploitation of CVE-2026-11736 in the wild and no public exploit code.
Other vulnerabilities in Netgear Rax50 Firmware
Sources
Also known as GHSA-rxvc-mxwf-46c8.