CVE-2018-21220

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, D7800 before 1.0.1.30, R6100 before 1.0.1.20, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
8.8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 35%
VendorProductVersion
netgearwnr2000_firmware
𝑥
< 1.0.0.62
netgearr9000_firmware
𝑥
< 1.0.2.52
netgearwndr3700_firmware
𝑥
< 1.0.2.96
netgearwndr4300_firmware
𝑥
< 1.0.2.98
netgearr7500_firmware
𝑥
< 1.0.0.118
netgearwndr4300_firmware
𝑥
< 1.0.0.50
netgearwndr4500_firmware
𝑥
< 1.0.0.50
netgearr6100_firmware
𝑥
< 1.0.1.20
netgeard7800_firmware
𝑥
< 1.0.1.30
netgearr7500_firmware
𝑥
< 1.0.3.24
netgeard6000_firmware
𝑥
< 1.0.0.67
netgeard3600_firmware
𝑥
< 1.0.0.67
netgeard6100_firmware
𝑥
< 1.0.0.56
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://kb.netgear.com/000055117/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2481
https://kb.netgear.com/000055117/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2481