CVE-2018-21203

HIGH

NETGEAR R6100/R9000/WNDR3700/WNDR4300/WNDR4500 Firmware - Unauthenticated Stack-based Buffer Overflow

Title source: llm
STIX 2.1

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6100 before 1.0.1.20, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

References (1)

Core 1

Scores

CVSS v3 8.8
EPSS 0.0016
EPSS Percentile 36.4%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (5)
netgear/r6100_firmware < 1.0.1.20
netgear/r9000_firmware < 1.0.2.52
netgear/wndr3700_firmware < 1.0.2.96
netgear/wndr4300_firmware < 1.0.2.98
netgear/wndr4500_firmware < 1.0.0.50
Published Apr 28, 2020
Tracked Since Feb 18, 2026