NVD Vulnerability Detail

CVE-2019-20734

Summary	Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.40, D8500 before 1.0.3.39, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.22, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150v1 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, R6300v2 before 1.0.4.18, R6400 before 1.0.1.24, R6400v2 before 1.0.2.32, R6700 before 1.0.1.22, R6700v3 before 1.0.2.32, R6900 before 1.0.1.22, R7000 before 1.0.9.6, R6900P before 1.0.0.56, R7000P before 1.0.0.56, R7100LG before 1.0.0.42, R7300DST before 1.0.0.54, R7900 before 1.0.1.26, R8300 before 1.0.2.106, R8500 before 1.0.2.106, WN2500RPv2 before 1.0.1.54, and WNR3500Lv2 before 1.2.0.46. NOTE: this may be a result of an incomplete fix for CVE-2017-18864.
Publication Date	April 17, 2020, 5:15 a.m.
Registration Date	Jan. 26, 2021, 11:41 a.m.
Last Update	Nov. 21, 2024, 1:39 p.m.

CVSS3.1 : HIGH
スコア	8.8
Vector	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
攻撃元区分(AV)	隣接
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 : MEDIUM
Score	5.8
Vector	AV:A/AC:L/Au:N/C:P/I:P/A:P
攻撃元区分(AV)	隣接
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:d6220_firmware::::::::					1.0.0.40
execution environment
1	cpe:2.3:h:netgear:d6220:-:::::::*

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:netgear:d8500_firmware::::::::					1.0.3.39
execution environment
1	cpe:2.3:h:netgear:d8500:-:::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex3700_firmware::::::::					1.0.0.70
execution environment
1	cpe:2.3:h:netgear:ex3700:-:::::::*

Configuration4		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex3800_firmware::::::::					1.0.0.70
execution environment
1	cpe:2.3:h:netgear:ex3800:-:::::::*

Configuration5		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6000_firmware::::::::					1.0.0.30
execution environment
1	cpe:2.3:h:netgear:ex6000:-:::::::*

Configuration6		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6100_firmware::::::::					1.0.2.22
execution environment
1	cpe:2.3:h:netgear:ex6100:-:::::::*

Configuration7		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6120_firmware::::::::					1.0.0.40
execution environment
1	cpe:2.3:h:netgear:ex6120:-:::::::*

Configuration8		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6130_firmware::::::::					1.0.0.22
execution environment
1	cpe:2.3:h:netgear:ex6130:-:::::::*

Configuration9		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6150_firmware::::::::					1.0.0.42
execution environment
1	cpe:2.3:h:netgear:ex6150:v1:::::::*

Configuration10		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6200_firmware::::::::					1.0.3.88
execution environment
1	cpe:2.3:h:netgear:ex6200:-:::::::*

Configuration11		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex7000_firmware::::::::					1.0.0.66
execution environment
1	cpe:2.3:h:netgear:ex7000:-:::::::*

Configuration12		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6300_firmware::::::::					1.0.4.18
execution environment
1	cpe:2.3:h:netgear:r6300:v2:::::::*

Configuration13		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6400_firmware::::::::					1.0.1.24
execution environment
1	cpe:2.3:h:netgear:r6400:-:::::::*

Configuration14		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6400_firmware::::::::					1.0.2.32
execution environment
1	cpe:2.3:h:netgear:r6400:v2:::::::*

Configuration15		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6700_firmware::::::::					1.0.1.22
execution environment
1	cpe:2.3:h:netgear:r6700:-:::::::*

Configuration16		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6700_firmware::::::::					1.0.2.32
execution environment
1	cpe:2.3:h:netgear:r6700:v3:::::::*

Configuration17		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6900_firmware::::::::					1.0.1.22
execution environment
1	cpe:2.3:h:netgear:r6900:-:::::::*

Configuration18		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7000_firmware::::::::					1.0.9.6
execution environment
1	cpe:2.3:h:netgear:r7000:-:::::::*

Configuration19		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6900p_firmware::::::::					1.0.0.56
execution environment
1	cpe:2.3:h:netgear:r6900p:-:::::::*

Configuration20		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7000p_firmware::::::::					1.0.0.56
execution environment
1	cpe:2.3:h:netgear:r7000p:-:::::::*

Configuration21		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7100lg_firmware::::::::					1.0.0.42
execution environment
1	cpe:2.3:h:netgear:r7100lg:-:::::::*

Configuration22		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7300dst_firmware::::::::					1.0.0.54
execution environment
1	cpe:2.3:h:netgear:r7300dst:-:::::::*

Configuration23		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7900_firmware::::::::					1.0.1.26
execution environment
1	cpe:2.3:h:netgear:r7900:-:::::::*

Configuration24		or higher	or less	more than	less than
cpe:2.3:o:netgear:r8300_firmware::::::::					1.0.2.106
execution environment
1	cpe:2.3:h:netgear:r8300:-:::::::*

Configuration25		or higher	or less	more than	less than
cpe:2.3:o:netgear:r8500_firmware::::::::					1.0.2.106
execution environment
1	cpe:2.3:h:netgear:r8500:-:::::::*

Configuration26		or higher	or less	more than	less than
cpe:2.3:o:netgear:wn2500rp_firmware::::::::					1.0.1.54
execution environment
1	cpe:2.3:h:netgear:wn2500rp:v2:::::::*

Configuration27		or higher	or less	more than	less than
cpe:2.3:o:netgear:wnr3500l_firmware::::::::					1.2.0.46
execution environment
1	cpe:2.3:h:netgear:wnr3500l:v2:::::::*

Related information, measures and tools

No	URL	refsource	タグ
1	https://kb.netgear.com/000061192/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-0791		Vendor Advisory
2	https://kb.netgear.com/000061192/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-0791		Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-120	古典的バッファオーバーフロー	https://cwe.mitre.org/data/definitions/120.html

JVN Vulnerability Information

複数の NETGEAR デバイスにおける古典的バッファオーバーフローの脆弱性

Title	複数の NETGEAR デバイスにおける古典的バッファオーバーフローの脆弱性
Summary	複数の NETGEAR デバイスには、古典的バッファオーバーフローの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	Sept. 4, 2019, midnight
Registration Date	May 20, 2020, 5:53 p.m.
Last Update	May 20, 2020, 5:53 p.m.

Affected System

ネットギア

D6220 ファームウェア 1.0.0.40 未満

D8500 ファームウェア 1.0.3.39 未満

EX3700 ファームウェア 1.0.0.70 未満

EX3800 ファームウェア 1.0.0.70 未満

EX6000 ファームウェア 1.0.0.30 未満

EX6100 ファームウェア 1.0.2.22 未満

EX6120 ファームウェア 1.0.0.40 未満

EX6130 ファームウェア 1.0.0.22 未満

EX6150 ファームウェア 1.0.0.42 未満

EX6200 ファームウェア 1.0.3.88 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-2019-20734	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20734
National Vulnerability Database (NVD)
2	CVE-2019-20734	https://nvd.nist.gov/vuln/detail/CVE-2019-20734

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-120	https://cwe.mitre.org/data/definitions/120.html

ベンダー情報

No	Name	URL
NETGEAR Support
1	Security Advisory for Pre-Authentication Buffer Overflow on Some Routers, Gateways, and Extenders, PSV-2017-0791	https://kb.netgear.com/000061192/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-0791

Change Log

No	Changed Details	Date of change
1	[2020年05月20日] 掲載	May 20, 2020, 5:53 p.m.