Medium severity6.8NVD Advisory· Published Apr 28, 2020· Updated Jun 17, 2026

CVE-2018-21200

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R7800 before 1.0.2.40 and R9000 before 1.0.3.6.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

NETGEAR/NETGEAR devicesdescription
Netgear/R7800 Firmware
cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*
Range: <1.0.2.40
Netgear/R9000 Firmware
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*
Range: <1.0.3.6
Netgear/R7800llm-fuzzy
Range: <1.0.2.40
Netgear/R9000llm-fuzzy
Range: <1.0.3.6

Patches

Vulnerability mechanics

References

kb.netgear.com/000055149/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2017-2592nvdVendor Advisory

News mentions

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cvss	0.442
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000