Skip to content
Fencer Vulns
medium 4.9

CVE-2026-11735 json

Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk models

published 2026-08-11 2 mo ago modified 2026-09-09 2 mo ago also EUVD-2026-56194

cvss
4.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

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.

Patch / fix

  • NETGEAR RAX35v2 V1.0.16.132
  • NETGEAR RAX41v2 V1.1.4.28
  • NETGEAR RAX42v2 V1.1.4.28
  • NETGEAR RAX43 V1.0.16.132
  • NETGEAR RAX43v2 V1.1.4.28
  • NETGEAR RAX49S V1.1.4.28
  • NETGEAR RAX50 V1.0.16.132
  • NETGEAR RAX50S V1.0.16.132
  • NETGEAR RAX50v2 V1.1.4.28
  • NETGEAR RAX54Sv2 V1.1.4.28
  • NETGEAR RAX54v2 V1.1.4.28
  • NETGEAR RAXE500 V1.2.14.114
  • NETGEAR XR1000 V1.1.0.22
  • NETGEAR XR1000v2 V1.1.0.22

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 mo ago

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 1.9 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/AU:Y/R:U/V:D/RE:L/U:Amber
CNA 4.0 1.9 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
NVD 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Affected products

  • NETGEAR R7000
  • NETGEAR RAX20
  • NETGEAR RAX35v2
  • NETGEAR RAX41
  • NETGEAR RAX41v2
  • NETGEAR RAX42
  • NETGEAR RAX42v2
  • NETGEAR RAX43
  • NETGEAR RAX43v2
  • NETGEAR RAX45
  • NETGEAR RAX49S
  • NETGEAR RAX50
  • NETGEAR RAX50S
  • NETGEAR RAX50v2
  • NETGEAR RAX54Sv2
  • NETGEAR RAX54v2
  • NETGEAR RAXE450
  • NETGEAR RAXE500
  • NETGEAR XR1000
  • NETGEAR XR1000v2

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.