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Fencer Vulns
medium 4.9

CVE-2026-11733 json

Buffer overflow vulnerability in some NETGEAR Nighthawk routers

published 2026-08-11 2 mo ago modified 2026-10-23 16 d ago also EUVD-2026-56190

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 56%
public exploits
0
none known

Summary

A buffer overflow vulnerability in the listed NETGEAR models allows a device administrator to temporarily interrupt the normal operation of the affected device.

Patch / fix

  • NETGEAR RAX41 V1.1.6.36
  • NETGEAR RAX41v2 V1.1.6.36
  • NETGEAR RAX42 V1.1.6.36
  • NETGEAR RAX42v2 V1.1.6.36
  • NETGEAR RAX43 V1.1.6.36
  • NETGEAR RAX43v2 V1.1.6.36
  • NETGEAR RAX49S V1.1.6.36
  • NETGEAR RAX50 V1.1.6.36
  • NETGEAR RAX50v2 V1.1.6.36
  • NETGEAR RAX54S V1.1.6.36
  • NETGEAR RAX54Sv2 V1.1.6.36

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 mo ago

Exploit prediction

0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 1.1 CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:Amber
CNA 4.0 1.1 CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/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:N/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 RAX41
  • NETGEAR RAX41v2
  • NETGEAR RAX42
  • NETGEAR RAX42v2
  • NETGEAR RAX43
  • NETGEAR RAX43v2
  • NETGEAR RAX49S
  • NETGEAR RAX50
  • NETGEAR RAX50v2
  • NETGEAR RAX54S
  • NETGEAR RAX54Sv2

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.