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CVE-2018-21181

High

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D7800 before 1.0.1.28, EX2700 before 1.0.1.32, EX6200v2 before 1.0.1.56, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.52, WN3100RPv2 before 1.0.0.42, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.

SeverityHigh
CVSS7.2
Exploit probability—
ProductNetgear D7800 Firmware
PublishedApr 28, 2020
First seenApr 28, 2020

How to fix

Update
  • netgear d7800_firmware1.0.1.28 or later
  • netgear ex2700_firmware1.0.1.32 or later
  • netgear ex6200_firmware1.0.1.56 or later
  • netgear r7500_firmware1.0.3.24 or later
  • netgear r7800_firmware1.0.2.40 or later
  • netgear r9000_firmware1.0.3.6 or later
  • netgear wn2000rpt_firmware1.0.1.20 or later
  • netgear wn3000rp_firmware1.0.2.52 or later
  • netgear wn3100rp_firmware1.0.0.42 or later
  • netgear wndr3700_firmware1.0.2.92 or later
  • netgear wndr4300_firmware1.0.2.94, 1.0.0.50 or later
  • netgear wndr4500_firmware1.0.0.50 or later

Affected products

ProductAffected versionsFixed in
netgear d7800_firmwarev < 1.0.1.281.0.1.28
netgear ex2700_firmwarev < 1.0.1.321.0.1.32
netgear ex6200_firmwarev < 1.0.1.561.0.1.56
netgear r7500_firmwarev < 1.0.3.241.0.3.24
netgear r7800_firmwarev < 1.0.2.401.0.2.40
netgear r9000_firmwarev < 1.0.3.61.0.3.6
netgear wn2000rpt_firmwarev < 1.0.1.201.0.1.20
netgear wn3000rp_firmwarev < 1.0.2.521.0.2.52
netgear wn3100rp_firmwarev < 1.0.0.421.0.0.42
netgear wndr3700_firmwarev < 1.0.2.921.0.2.92
netgear wndr4300_firmwarev < 1.0.2.94, v < 1.0.0.501.0.2.94, 1.0.0.50
netgear wndr4500_firmwarev < 1.0.0.501.0.0.50
netgear wnr2000_firmwarev < 1.0.0.621.0.0.62

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