CVE-2026-11735 Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk models
An authenticated admin can exploit a stack-based buffer overflow to modify router software and functionality, requiring a firmware patch.
- 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-2026-11735?
CVE-2026-11735 is a low-severity memory corruption vulnerability in Netgear R7000 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 the listed NETGEAR models allowing an authenticated admin user to make unauthorized modification to the router's software and functionality.
Weakness: CWE-121
Which versions are affected by CVE-2026-11735?
It affects 20 products.
Products include Netgear R7000 Firmware, Netgear Rax20 Firmware, Netgear Rax35v2 Firmware, Netgear Rax41 Firmware, Netgear Rax41v2 Firmware, Netgear Rax42 Firmware and 14 more.
How do I fix CVE-2026-11735?
No fix has been published for CVE-2026-11735 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-2026-11735 being exploited?
There is no known exploitation of CVE-2026-11735 in the wild and no public exploit code.
Other vulnerabilities in Netgear R7000 Firmware
Sources
Also known as GHSA-c3g8-7w99-c2xp.