CVE-2026-11736

A stack-based buffer overflow vulnerability affects certain NETGEAR models allowing an authenticated admin user to make unauthorized modification to router software and functionality.

Score

CVSS 3.1 4.9 Medium

Status

Analyzed - a2826606-91e7-4eb6-899e-8484bd4575d5

Published

2026-08-11

Last modified

2026-08-12

Weaknesses

CWE-20, CWE-787

Affected products

• Rax20 (Netgear)
• Rax20 Firmware (Netgear)
• Rax35v2 (Netgear)
• Rax35v2 Firmware (Netgear)
• Rax41 (Netgear)
• Rax41 Firmware (Netgear)
• Rax41v2 (Netgear)
• Rax41v2 Firmware (Netgear)
• Rax42 (Netgear)
• Rax42 Firmware (Netgear)
• Rax42v2 (Netgear)
• Rax42v2 Firmware (Netgear)
• Rax43 (Netgear)
• Rax43 Firmware (Netgear)
• Rax43v2 (Netgear)
• Rax43v2 Firmware (Netgear)
• Rax45 (Netgear)
• Rax45 Firmware (Netgear)
• Rax49s (Netgear)
• Rax49s Firmware (Netgear)
• Rax50 (Netgear)
• Rax50 Firmware (Netgear)
• Rax50s (Netgear)
• Rax50s Firmware (Netgear)
• Rax50v2 (Netgear)
• Rax50v2 Firmware (Netgear)
• Rax54sv2 (Netgear)
• Rax54sv2 Firmware (Netgear)
• Rax54v2 (Netgear)
• Rax54v2 Firmware (Netgear)
• Raxe450 (Netgear)
• Raxe450 Firmware (Netgear)
• Raxe500 (Netgear)
• Raxe500 Firmware (Netgear)
• Xr1000 (Netgear)
• Xr1000 Firmware (Netgear)
• Xr1000v2 (Netgear)
• Xr1000v2 Firmware (Netgear)

References

• https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory
• https://www.netgear.com/support/product/rax20/
• https://www.netgear.com/support/product/rax35v2/
• https://www.netgear.com/support/product/rax41/
• https://www.netgear.com/support/product/rax41v2/
• https://www.netgear.com/support/product/rax42/
• https://www.netgear.com/support/product/rax42v2/
• https://www.netgear.com/support/product/rax43/
• https://www.netgear.com/support/product/rax43v2/
• https://www.netgear.com/support/product/rax45/
• https://www.netgear.com/support/product/rax49s/
• https://www.netgear.com/support/product/rax50/
• https://www.netgear.com/support/product/rax50s/
• https://www.netgear.com/support/product/rax50v2/
• https://www.netgear.com/support/product/rax54sv2/
• https://www.netgear.com/support/product/raxe450/
• https://www.netgear.com/support/product/raxe500/
• https://www.netgear.com/support/product/xr1000/
• https://www.netgear.com/support/product/xr1000v2/