NVD Vulnerability Detail

CVE-2020-35799

Summary	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.
Publication Date	Dec. 30, 2020, 9:15 a.m.
Registration Date	Jan. 26, 2021, 11:58 a.m.
Last Update	Nov. 21, 2024, 2:28 p.m.

CVSS3.1 : CRITICAL
スコア	9.8
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃に必要な特権レベル(PR)	不要
利用者の関与(UI)	不要
影響の想定範囲(S)	変更なし
機密性への影響(C)	高
完全性への影響(I)	高
可用性への影響(A)	高

CVSS2.0 : HIGH
Score	7.5
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃前の認証要否(Au)	不要
機密性への影響(C)	低
完全性への影響(I)	低
可用性への影響(A)	低
Get all privileges.	いいえ
Get user privileges	いいえ
Get other privileges	いいえ
User operation required	いいえ

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:o:netgear:d3600_firmware::::::::					1.0.0.76
execution environment
1	cpe:2.3:h:netgear:d3600:-:::::::*

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:netgear:d6000_firmware::::::::					1.0.078
execution environment
1	cpe:2.3:h:netgear:d6000:-:::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:netgear:d6200_firmware::::::::					1.1.00.32
execution environment
1	cpe:2.3:h:netgear:d6200:-:::::::*

Configuration4		or higher	or less	more than	less than
cpe:2.3:o:netgear:d7000_firmware::::::::					1.0.1.68
execution environment
1	cpe:2.3:h:netgear:d7000:-:::::::*

Configuration5		or higher	or less	more than	less than
cpe:2.3:o:netgear:d7800_firmware::::::::					1.0.1.56
execution environment
1	cpe:2.3:h:netgear:d7800:-:::::::*

Configuration6		or higher	or less	more than	less than
cpe:2.3:o:netgear:dm200_firmware::::::::					1.0.0.61
execution environment
1	cpe:2.3:h:netgear:dm200:-:::::::*

Configuration7		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex2700_firmware::::::::					1.0.1.52
execution environment
1	cpe:2.3:h:netgear:ex2700:-:::::::*

Configuration8		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6100v2_firmware::::::::					1.0.1.76
execution environment
1	cpe:2.3:h:netgear:ex6100v2:-:::::::*

Configuration9		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6150v2_firmware::::::::					1.0.1.76
execution environment
1	cpe:2.3:h:netgear:ex6150v2:-:::::::*

Configuration10		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6200v2_firmware::::::::					1.0.1.74
execution environment
1	cpe:2.3:h:netgear:ex6200v2:-:::::::*

Configuration11		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6400_firmware::::::::					1.0.2.140
execution environment
1	cpe:2.3:h:netgear:ex6400:-:::::::*

Configuration12		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex7300_firmware::::::::					1.0.2.140
execution environment
1	cpe:2.3:h:netgear:ex7300:-:::::::*

Configuration13		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex8000_firmware::::::::					1.0.1.186
execution environment
1	cpe:2.3:h:netgear:ex8000:-:::::::*

Configuration14		or higher	or less	more than	less than
cpe:2.3:o:netgear:jr6150_firmware::::::::					1.0.1.18
execution environment
1	cpe:2.3:h:netgear:jr6150:-:::::::*

Configuration15		or higher	or less	more than	less than
cpe:2.3:o:netgear:pr2000_firmware::::::::					1.0.0.28
execution environment
1	cpe:2.3:h:netgear:pr2000:-:::::::*

Configuration16		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6020_firmware::::::::					1.0.0.38
execution environment
1	cpe:2.3:h:netgear:r6020:-:::::::*

Configuration17		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6050_firmware::::::::					1.0.1.18
execution environment
1	cpe:2.3:h:netgear:r6050:-:::::::*

Configuration18		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6080_firmware::::::::					1.0.0.38
execution environment
1	cpe:2.3:h:netgear:r6080:-:::::::*

Configuration19		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6120_firmware::::::::					1.0.0.46
execution environment
1	cpe:2.3:h:netgear:r6120:-:::::::*

Configuration20		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6220_firmware::::::::					1.1.0.80
execution environment
1	cpe:2.3:h:netgear:r6220:-:::::::*

Configuration21		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6230_firmware::::::::					1.1.0.80
execution environment
1	cpe:2.3:h:netgear:r6230:-:::::::*

Configuration22		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6260_firmware::::::::					1.1.0.40
execution environment
1	cpe:2.3:h:netgear:r6260:-:::::::*

Configuration23		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6700v2_firmware::::::::					1.2.0.36
execution environment
1	cpe:2.3:h:netgear:r6700v2:-:::::::*

Configuration24		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6800_firmware::::::::					1.2.0.36
execution environment
1	cpe:2.3:h:netgear:r6800:-:::::::*

Configuration25		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6900v2_firmware::::::::					1.2.0.36
execution environment
1	cpe:2.3:h:netgear:r6900v2:-:::::::*

Configuration26		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7500v2_firmware::::::::					1.0.3.40
execution environment
1	cpe:2.3:h:netgear:r7500v2:-:::::::*

Configuration27		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7800_firmware::::::::					1.0.2.62
execution environment
1	cpe:2.3:h:netgear:r7800:-:::::::*

Configuration28		or higher	or less	more than	less than
cpe:2.3:o:netgear:r8900_firmware::::::::					1.0.4.12
execution environment
1	cpe:2.3:h:netgear:r8900:-:::::::*

Configuration29		or higher	or less	more than	less than
cpe:2.3:o:netgear:r9000_firmware::::::::					1.0.4.12
execution environment
1	cpe:2.3:h:netgear:r9000:-:::::::*

Configuration30		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbk20_firmware::::::::					2.3.0.28
execution environment
1	cpe:2.3:h:netgear:rbk20:-:::::::*

Configuration31		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbr20_firmware::::::::					2.3.0.28
execution environment
1	cpe:2.3:h:netgear:rbr20:-:::::::*

Configuration32		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbs20_firmware::::::::					2.3.0.28
execution environment
1	cpe:2.3:h:netgear:rbs20:-:::::::*

Configuration33		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbk40_firmware::::::::					2.3.0.28
execution environment
1	cpe:2.3:h:netgear:rbk40:-:::::::*

Configuration34		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbr40_firmware::::::::					2.3.0.28
execution environment
1	cpe:2.3:h:netgear:rbr40:-:::::::*

Configuration35		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbs40_firmware::::::::					2.3.0.28
execution environment
1	cpe:2.3:h:netgear:rbs40:-:::::::*

Configuration36		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbk50_firmware::::::::					2.3.0.32
execution environment
1	cpe:2.3:h:netgear:rbk50:-:::::::*

Configuration37		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbr50_firmware::::::::					2.3.0.32
execution environment
1	cpe:2.3:h:netgear:rbr50:-:::::::*

Configuration38		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbs50_firmware::::::::					2.3.0.32
execution environment
1	cpe:2.3:h:netgear:rbs50:-:::::::*

Configuration39		or higher	or less	more than	less than
cpe:2.3:o:netgear:wn2000rptv3_firmware::::::::					1.0.1.34
execution environment
1	cpe:2.3:h:netgear:wn2000rptv3:-:::::::*

Configuration40		or higher	or less	more than	less than
cpe:2.3:o:netgear:wn3000rpv2_firmware::::::::					1.0.0.78
execution environment
1	cpe:2.3:h:netgear:wn3000rpv2:-:::::::*

Configuration41		or higher	or less	more than	less than
cpe:2.3:o:netgear:wn3000rpv2_firmware::::::::					1.0.0.78
execution environment
1	cpe:2.3:h:netgear:wn3000rpv2:-:::::::*

Configuration42		or higher	or less	more than	less than
cpe:2.3:o:netgear:wn3000rpv3_firmware::::::::					1.0.2.78
execution environment
1	cpe:2.3:h:netgear:wn3000rpv3:-:::::::*

Configuration43		or higher	or less	more than	less than
cpe:2.3:o:netgear:wn3100rpv2_firmware::::::::					1.0.0.66
execution environment
1	cpe:2.3:h:netgear:wn3100rpv2:-:::::::*

Configuration44		or higher	or less	more than	less than
cpe:2.3:o:netgear:wnr2000v5_firmware::::::::					1.0.0.70
execution environment
1	cpe:2.3:h:netgear:wnr2000v5:-:::::::*

Configuration45		or higher	or less	more than	less than
cpe:2.3:o:netgear:wnr2020_firmware::::::::					1.1.0.62
execution environment
1	cpe:2.3:h:netgear:wnr2020:-:::::::*

Configuration46		or higher	or less	more than	less than
cpe:2.3:o:netgear:xr450_firmware:2.3.2.32:::::::*
execution environment
1	cpe:2.3:h:netgear:xr450:-:::::::*

Configuration47		or higher	or less	more than	less than
cpe:2.3:o:netgear:xr500_firmware:2.3.2.32:::::::*
execution environment
1	cpe:2.3:h:netgear:xr500:-:::::::*

Related information, measures and tools

No	URL	refsource	タグ
1	https://kb.netgear.com/000062709/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Range-Extenders-and-WiFi-Systems-PSV-2018-0296		Vendor Advisory
2	https://kb.netgear.com/000062709/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Range-Extenders-and-WiFi-Systems-PSV-2018-0296		Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-787	境界外書き込み	https://cwe.mitre.org/data/definitions/787.html

JVN Vulnerability Information

複数の NETGEAR デバイスにおける境界外書き込みに関する脆弱性

Title	複数の NETGEAR デバイスにおける境界外書き込みに関する脆弱性
Summary	複数の NETGEAR デバイスには、境界外書き込みに関する脆弱性が存在します。
Possible impacts	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	Dec. 22, 2020, midnight
Registration Date	Sept. 7, 2021, 6:06 p.m.
Last Update	Sept. 7, 2021, 6:06 p.m.

Affected System

ネットギア

D3600 ファームウェア 1.0.0.76 未満

D6000 ファームウェア 1.0.078 未満

D6200 ファームウェア 1.1.00.32 未満

D7000 ファームウェア 1.0.1.68 未満

D7800 ファームウェア 1.0.1.56 未満

DM200 ファームウェア 1.0.0.61 未満

EX2700 ファームウェア 1.0.1.52 未満

EX6100v2 ファームウェア 1.0.1.76 未満

EX6150v2 ファームウェア 1.0.1.76 未満

EX6200v2 ファームウェア 1.0.1.74 未満

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2020-35799	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35799
National Vulnerability Database (NVD)
2	CVE-2020-35799	https://nvd.nist.gov/vuln/detail/CVE-2020-35799

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-787	https://cwe.mitre.org/data/definitions/787.html

ベンダー情報

No	Name	URL
NETGEAR Support
1	Security Advisory for Pre-Authentication Stack Overflow on Some Routers, Range Extenders, and WiFi Systems, PSV-2018-0296	https://kb.netgear.com/000062709/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Range-Extenders-and-WiFi-Systems-PSV-2018-0296

Change Log

No	Changed Details	Date of change
1	[2021年09月07日] 掲載	Sept. 7, 2021, 6:06 p.m.