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.
Affected products
netgear: r7000 firmware; netgear: r7000; netgear: rax20 firmware; netgear: rax20; netgear: rax35v2 firmware; netgear: rax35v2; netgear: rax41 firmware; netgear: rax41; netgear: rax41v2 firmware; netgear: rax41v2; netgear: rax42 firmware; netgear: rax42; netgear: rax42v2 firmware; netgear: rax42v2; netgear: rax43 firmware
References10
- kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory Vendor Advisory
- www.netgear.com/support/product/r7000/ Product
- www.netgear.com/support/product/rax20/ Product
- www.netgear.com/support/product/rax35v2/ Product
- www.netgear.com/support/product/rax41/ Product
- www.netgear.com/support/product/rax41v2/ Product
- www.netgear.com/support/product/rax42/ Product
- www.netgear.com/support/product/rax42v2/ Product
- www.netgear.com/support/product/rax43/ Product
- www.netgear.com/support/product/rax43v2/ Product
Metrics
- CVSS 3.1
-
4.9
MEDIUM
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N - CVSS 4.0
-
1.9
LOW
Score source: CNA
CVSS:4.0/AV:A/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:D/RE:L/U:Amber - EPSS — exploit probability
- 1% percentile: 56 · as of 12 November 2026
- CWE
- CWE-121
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.