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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Dec 30, 2020 - 00:15 nvd
CRITICAL 9.8

DescriptionNVD

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6200 before 1.1.00.32, D7000 before 1.0.1.68, D7800 before 1.0.1.56, DM200 before 1.0.0.61, EX2700 before 1.0.1.52, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, EX6200v2 before 1.0.1.74, EX6400 before 1.0.2.140, EX7300 before 1.0.2.140, EX8000 before 1.0.1.186, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.38, R6050 before 1.0.1.18, R6080 before 1.0.0.38, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6230 before 1.1.0.80, R6260 before 1.1.0.40, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, R7500v2 before 1.0.3.40, R7800 before 1.0.2.62, R8900 before 1.0.4.12, R9000 before 1.0.4.12, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK40 before 2.3.0.28, RBR40 before 2.3.0.28, RBS40 before 2.3.0.28, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, WN2000RPTv3 before 1.0.1.34, WN3000RPv2 before 1.0.0.78, WN3000RPv2 before 1.0.0.78, WN3000RPv3 before 1.0.2.78, WN3100RPv2 before 1.0.0.66, WNR2000v5 before 1.0.0.70, WNR2020 before 1.1.0.62, XR450 before 2.3.2.32, and XR500 before 2.3.2.32.

AnalysisAI

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6200 before 1.1.00.32, D7000 before 1.0.1.68, D7800 before 1.0.1.56, DM200 before 1.0.0.61, EX2700 before 1.0.1.52, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, EX6200v2 before 1.0.1.74, EX6400 before 1.0.2.140, EX7300 before 1.0.2.140, EX8000 before 1.0.1.186, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.38, R6050 before 1.0.1.18, R6080 before 1.0.0.38, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6230 before 1.1.0.80, R6260 before 1.1.0.40, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, R7500v2 before 1.0.3.40, R7800 before 1.0.2.62, R8900 before 1.0.4.12, R9000 before 1.0.4.12, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK40 before 2.3.0.28, RBR40 before 2.3.0.28, RBS40 before 2.3.0.28, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, WN2000RPTv3 before 1.0.1.34, WN3000RPv2 before 1.0.0.78, WN3000RPv2 before 1.0.0.78, WN3000RPv3 before 1.0.2.78, WN3100RPv2 before 1.0.0.66, WNR2000v5 before 1.0.0.70, WNR2020 before 1.1.0.62, XR450 before 2.3.2.32, and XR500 before 2.3.2.32. Affected products include: Netgear D3600 Firmware, Netgear D6000 Firmware, Netgear D6200 Firmware, Netgear D7000 Firmware, Netgear D7800 Firmware. Version information: before 1.0.0.76.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

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CVE-2020-35799 vulnerability details – vuln.today

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