NVD Vulnerability Detail

CVE-2020-35796

Summary	Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects CBR40 before 2.5.0.10, D6220 before 1.0.0.60, D6400 before 1.0.0.94, D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, DC112A before 1.0.0.48, DGN2200v4 before 1.0.0.114, EAX20 before 1.0.0.36, EAX80 before 1.0.1.62, EX3700 before 1.0.0.84, EX3800 before 1.0.0.84, EX3920 before 1.0.0.84, EX6000 before 1.0.0.44, EX6100 before 1.0.2.28, EX6120 before 1.0.0.54, EX6130 before 1.0.0.36, EX6150 before 1.0.0.46, EX6200 before 1.0.3.94, EX6920 before 1.0.0.54, EX7000 before 1.0.1.90, EX7500 before 1.0.0.68, MK62 before 1.0.5.102, MR60 before 1.0.5.102, MS60 before 1.0.5.102, R6250 before 1.0.4.42, R6300v2 before 1.0.4.42, R6400 before 1.0.1.62, R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R6700 before 1.0.2.16, R6900P before 1.3.2.124, R6900 before 1.0.2.16, R7000 before 1.0.11.106, R7000P before 1.3.2.124, R7100LG before 1.0.0.56, R7850 before 1.0.5.60, R7900 before 1.0.4.26, R7900P before 1.4.1.62, R7960P before 1.4.1.62, R8000 before 1.0.4.58, R8000P before 1.4.1.62, R8300 before 1.0.2.134, R8500 before 1.0.2.134, RAX15 before 1.0.1.64, RAX20 before 1.0.1.64, RAX200 before 1.0.2.102, RAX45 before 1.0.2.32, RAX50 before 1.0.2.32, RAX75 before 1.0.3.102, RAX80 before 1.0.3.102, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK842 before 3.2.16.6, RBR840 before 3.2.16.6, RBS840 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, RBS40V-200 before 1.0.0.46, RBW30 before 2.5.0.4, RS400 before 1.5.0.48, WN2500RPv2 before 1.0.1.56, WN3500RP before 1.0.0.28, WNDR3400v3 before 1.0.1.32, WNR1000v3 before 1.0.2.78, WNR2000v2 before 1.2.0.12, WNR3500Lv2 before 1.2.0.62, and XR300 before 1.0.3.50.
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	10.0
Vector	AV:N/AC:L/Au:N/C:C/I:C/A:C
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)	高
完全性への影響(I)	高
可用性への影響(A)	高
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:cbr40_firmware::::::::					2.5.0.10
execution environment
1	cpe:2.3:h:netgear:cbr40:-:::::::*

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:netgear:d6220_firmware::::::::					1.0.0.60
execution environment
1	cpe:2.3:h:netgear:d6220:-:::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:netgear:d6400_firmware::::::::					1.0.0.94
execution environment
1	cpe:2.3:h:netgear:d6400:-:::::::*

Configuration4		or higher	or less	more than	less than
cpe:2.3:o:netgear:d7000v2_firmware::::::::					1.0.0.62
execution environment
1	cpe:2.3:h:netgear:d7000v2:-:::::::*

Configuration5		or higher	or less	more than	less than
cpe:2.3:o:netgear:d8500_firmware::::::::					1.0.3.50
execution environment
1	cpe:2.3:h:netgear:d8500:-:::::::*

Configuration6		or higher	or less	more than	less than
cpe:2.3:o:netgear:dc112a_firmware::::::::					1.0.0.48
execution environment
1	cpe:2.3:h:netgear:dc112a:-:::::::*

Configuration7		or higher	or less	more than	less than
cpe:2.3:o:netgear:dgn2200v4_firmware::::::::					1.0.0.114
execution environment
1	cpe:2.3:h:netgear:dgn2200v4:-:::::::*

Configuration8		or higher	or less	more than	less than
cpe:2.3:o:netgear:eax20_firmware::::::::					1.0.0.36
execution environment
1	cpe:2.3:h:netgear:eax20:-:::::::*

Configuration9		or higher	or less	more than	less than
cpe:2.3:o:netgear:eax80_firmware::::::::					1.0.1.62
execution environment
1	cpe:2.3:h:netgear:eax80:-:::::::*

Configuration10		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex3700_firmware::::::::					1.0.0.84
execution environment
1	cpe:2.3:h:netgear:ex3700:-:::::::*

Configuration11		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex3800_firmware::::::::					1.0.0.84
execution environment
1	cpe:2.3:h:netgear:ex3800:-:::::::*

Configuration12		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex3920_firmware::::::::					1.0.0.84
execution environment
1	cpe:2.3:h:netgear:ex3920:-:::::::*

Configuration13		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6000_firmware::::::::					1.0.0.44
execution environment
1	cpe:2.3:h:netgear:ex6000:-:::::::*

Configuration14		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6100_firmware::::::::					1.0.2.28
execution environment
1	cpe:2.3:h:netgear:ex6100:-:::::::*

Configuration15		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6120_firmware::::::::					1.0.0.54
execution environment
1	cpe:2.3:h:netgear:ex6120:-:::::::*

Configuration16		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6130_firmware::::::::					1.0.0.36
execution environment
1	cpe:2.3:h:netgear:ex6130:-:::::::*

Configuration17		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6150_firmware::::::::					1.0.0.46
execution environment
1	cpe:2.3:h:netgear:ex6150:-:::::::*

Configuration18		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6200_firmware::::::::					1.0.3.94
execution environment
1	cpe:2.3:h:netgear:ex6200:-:::::::*

Configuration19		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex6920_firmware::::::::					1.0.0.54
execution environment
1	cpe:2.3:h:netgear:ex6920:-:::::::*

Configuration20		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex7000_firmware::::::::					1.0.1.90
execution environment
1	cpe:2.3:h:netgear:ex7000:-:::::::*

Configuration21		or higher	or less	more than	less than
cpe:2.3:o:netgear:ex7500_firmware::::::::					1.0.0.68
execution environment
1	cpe:2.3:h:netgear:ex7500:-:::::::*

Configuration22		or higher	or less	more than	less than
cpe:2.3:o:netgear:mk62_firmware::::::::					1.0.5.102
execution environment
1	cpe:2.3:h:netgear:mk62:-:::::::*

Configuration23		or higher	or less	more than	less than
cpe:2.3:o:netgear:mr60_firmware::::::::					1.0.5.102
execution environment
1	cpe:2.3:h:netgear:mr60:-:::::::*

Configuration24		or higher	or less	more than	less than
cpe:2.3:o:netgear:ms60_firmware::::::::					1.0.5.102
execution environment
1	cpe:2.3:h:netgear:ms60:-:::::::*

Configuration25		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6250_firmware::::::::					1.0.4.42
execution environment
1	cpe:2.3:h:netgear:r6250:-:::::::*

Configuration26		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6300v2_firmware::::::::					1.0.4.42
execution environment
1	cpe:2.3:h:netgear:r6300v2:-:::::::*

Configuration27		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6400_firmware::::::::					1.0.1.62
execution environment
1	cpe:2.3:h:netgear:r6400:-:::::::*

Configuration28		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6400v2_firmware::::::::					1.0.4.98
execution environment
1	cpe:2.3:h:netgear:r6400v2:-:::::::*

Configuration29		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6700v3_firmware::::::::					1.0.4.98
execution environment
1	cpe:2.3:h:netgear:r6700v3:-:::::::*

Configuration30		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6700_firmware::::::::					1.0.2.16
execution environment
1	cpe:2.3:h:netgear:r6700:-:::::::*

Configuration31		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6900p_firmware::::::::					1.3.2.124
execution environment
1	cpe:2.3:h:netgear:r6900p:-:::::::*

Configuration32		or higher	or less	more than	less than
cpe:2.3:o:netgear:r6900_firmware::::::::					1.0.2.16
execution environment
1	cpe:2.3:h:netgear:r6900:-:::::::*

Configuration33		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7000_firmware::::::::					1.0.11.106
execution environment
1	cpe:2.3:h:netgear:r7000:-:::::::*

Configuration34		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7000p_firmware::::::::					1.3.2.124
execution environment
1	cpe:2.3:h:netgear:r7000p:-:::::::*

Configuration35		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7100lg_firmware::::::::					1.0.0.56
execution environment
1	cpe:2.3:h:netgear:r7100lg:-:::::::*

Configuration36		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7850_firmware::::::::					1.0.5.60
execution environment
1	cpe:2.3:h:netgear:r7850:-:::::::*

Configuration37		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7900_firmware::::::::					1.0.4.26
execution environment
1	cpe:2.3:h:netgear:r7900:-:::::::*

Configuration38		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7900p_firmware::::::::					1.4.1.62
execution environment
1	cpe:2.3:h:netgear:r7900p:-:::::::*

Configuration39		or higher	or less	more than	less than
cpe:2.3:o:netgear:r7960p_firmware::::::::					1.4.1.62
execution environment
1	cpe:2.3:h:netgear:r7960p:-:::::::*

Configuration40		or higher	or less	more than	less than
cpe:2.3:o:netgear:r8000_firmware::::::::					1.0.4.58
execution environment
1	cpe:2.3:h:netgear:r8000:-:::::::*

Configuration41		or higher	or less	more than	less than
cpe:2.3:o:netgear:r8000p_firmware::::::::					1.4.1.62
execution environment
1	cpe:2.3:h:netgear:r8000p:-:::::::*

Configuration42		or higher	or less	more than	less than
cpe:2.3:o:netgear:r8300_firmware::::::::					1.0.2.134
execution environment
1	cpe:2.3:h:netgear:r8300:-:::::::*

Configuration43		or higher	or less	more than	less than
cpe:2.3:o:netgear:r8500_firmware::::::::					1.0.2.134
execution environment
1	cpe:2.3:h:netgear:r8500:-:::::::*

Configuration44		or higher	or less	more than	less than
cpe:2.3:o:netgear:rax15_firmware::::::::					1.0.1.64
execution environment
1	cpe:2.3:h:netgear:rax15:-:::::::*

Configuration45		or higher	or less	more than	less than
cpe:2.3:o:netgear:rax20_firmware::::::::					1.0.1.64
execution environment
1	cpe:2.3:h:netgear:rax20:-:::::::*

Configuration46		or higher	or less	more than	less than
cpe:2.3:o:netgear:rax200_firmware::::::::					1.0.2.102
execution environment
1	cpe:2.3:h:netgear:rax200:-:::::::*

Configuration47		or higher	or less	more than	less than
cpe:2.3:o:netgear:rx45_firmware::::::::					1.0.2.32
execution environment
1	cpe:2.3:h:netgear:rx45:-:::::::*

Configuration48		or higher	or less	more than	less than
cpe:2.3:o:netgear:rax50_firmware::::::::					1.0.2.32
execution environment
1	cpe:2.3:h:netgear:rax50:-:::::::*

Configuration49		or higher	or less	more than	less than
cpe:2.3:o:netgear:rax75_firmware::::::::					1.0.3.102
execution environment
1	cpe:2.3:h:netgear:rax75:-:::::::*

Configuration50		or higher	or less	more than	less than
cpe:2.3:o:netgear:rax80_firmware::::::::					1.0.3.102
execution environment
1	cpe:2.3:h:netgear:rax80:-:::::::*

Configuration51		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbk752_firmware::::::::					3.2.16.6
execution environment
1	cpe:2.3:h:netgear:rbk752:-:::::::*

Configuration52		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbr750_firmware::::::::					3.2.16.6
execution environment
1	cpe:2.3:h:netgear:rbr750:-:::::::*

Configuration53		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbs750_firmware::::::::					3.2.16.6
execution environment
1	cpe:2.3:h:netgear:rbs750:-:::::::*

Configuration54		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbk842_firmware::::::::					3.2.16.6
execution environment
1	cpe:2.3:h:netgear:rbk842:-:::::::*

Configuration55		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbr840_firmware::::::::					3.2.16.6
execution environment
1	cpe:2.3:h:netgear:rbr840:-:::::::*

Configuration56		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbs840_firmware::::::::					3.2.16.6
execution environment
1	cpe:2.3:h:netgear:rbs840:-:::::::*

Configuration57		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbk852_firmware::::::::					3.2.16.6
execution environment
1	cpe:2.3:h:netgear:rbk852:-:::::::*

Configuration58		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbr850_firmware::::::::					3.2.16.6
execution environment
1	cpe:2.3:h:netgear:rbr850:-:::::::*

Configuration59		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbs850_firmware::::::::					3.2.16.6
execution environment
1	cpe:2.3:h:netgear:rbs850:-:::::::*

Configuration60		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbs40v-200_firmware::::::::					1.0.0.46
execution environment
1	cpe:2.3:h:netgear:rbs40v-200:-:::::::*

Configuration61		or higher	or less	more than	less than
cpe:2.3:o:netgear:rbw30_firmware::::::::					2.5.0.4
execution environment
1	cpe:2.3:h:netgear:rbw30:-:::::::*

Configuration62		or higher	or less	more than	less than
cpe:2.3:o:netgear:rs400_firmware::::::::					1.5.0.48
execution environment
1	cpe:2.3:h:netgear:rs400:-:::::::*

Configuration63		or higher	or less	more than	less than
cpe:2.3:o:netgear:wn2500rpv2_firmware::::::::					1.0.1.56
execution environment
1	cpe:2.3:h:netgear:wn2500rpv2:-:::::::*

Configuration64		or higher	or less	more than	less than
cpe:2.3:o:netgear:wn3500rp_firmware::::::::					1.0.0.28
execution environment
1	cpe:2.3:h:netgear:wn3500rp:-:::::::*

Configuration65		or higher	or less	more than	less than
cpe:2.3:o:netgear:wndr3400v3_firmware::::::::					1.0.1.32
execution environment
1	cpe:2.3:h:netgear:wndr3400v3:-:::::::*

Configuration66		or higher	or less	more than	less than
cpe:2.3:o:netgear:wnr1000v3_firmware::::::::					1.0.2.78
execution environment
1	cpe:2.3:h:netgear:wnr1000v3:-:::::::*

Configuration67		or higher	or less	more than	less than
cpe:2.3:o:netgear:wnr2000v2_firmware::::::::					1.2.0.12
execution environment
1	cpe:2.3:h:netgear:wnr2000v2:-:::::::*

Configuration68		or higher	or less	more than	less than
cpe:2.3:o:netgear:wnr3500lv2_firmware::::::::					1.2.0.62
execution environment
1	cpe:2.3:h:netgear:wnr3500lv2:-:::::::*

Configuration69		or higher	or less	more than	less than
cpe:2.3:o:netgear:xr300_firmware::::::::					1.0.3.50
execution environment
1	cpe:2.3:h:netgear:xr300:-:::::::*

Related information, measures and tools

No	URL	refsource	タグ
1	https://kb.netgear.com/000062717/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Range-Extenders-and-WiFi-Systems-PSV-2020-0201		Vendor Advisory
2	https://kb.netgear.com/000062717/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Range-Extenders-and-WiFi-Systems-PSV-2020-0201		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	Dec. 22, 2020, midnight
Registration Date	Sept. 8, 2021, 5:43 p.m.
Last Update	Sept. 8, 2021, 5:43 p.m.

Affected System

ネットギア

CBR40 ファームウェア 2.5.0.10 未満

D6220 ファームウェア 1.0.0.60 未満

D6400 ファームウェア 1.0.0.94 未満

D7000v2 ファームウェア 1.0.0.62 未満

D8500 ファームウェア 1.0.3.50 未満

DC112A ファームウェア 1.0.0.48 未満

DGN2200v4 ファームウェア 1.0.0.114 未満

EAX20 ファームウェア 1.0.0.36 未満

EAX80 ファームウェア 1.0.1.62 未満

EX3700 ファームウェア 1.0.0.84 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-2020-35796	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35796
National Vulnerability Database (NVD)
2	CVE-2020-35796	https://nvd.nist.gov/vuln/detail/CVE-2020-35796

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, Range Extenders, and WiFi Systems, PSV-2020-0201	https://kb.netgear.com/000062717/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Range-Extenders-and-WiFi-Systems-PSV-2020-0201

Change Log

No	Changed Details	Date of change
1	[2021年09月08日] 掲載	Sept. 8, 2021, 5:43 p.m.