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MitreCVE-2021-45638

HistoryDec 26, 2021 - 1:15 a.m.

CVE-2021-45638

2021-12-2601:15:19

CWE-787

mitre

web.nvd.nist.gov

cve-2021-45638

netgear

stack-based buffer overflow

vulnerability

security advisory

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.7

Confidence

High

EPSS

0.003

Percentile

65.6%

JSON

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.74, D8500 before 1.0.3.60, DC112A before 1.0.0.56, R6300v2 before 1.0.4.50, R6400 before 1.0.1.68, R7000 before 1.0.11.116, R7100LG before 1.0.0.70, RBS40V before 2.6.2.8, RBW30 before 2.6.2.2, RS400 before 1.5.1.80, R7000P before 1.3.2.132, and R6900P before 1.3.2.132.

Affected configurations

Nvd

Node

netgeard6220_firmwareRange<1.0.0.68

AND

netgeard6220Match-

Node

netgeard6400_firmwareRange<1.0.0.102

AND

netgeard6400Match-

Node

netgeard7000v2_firmwareRange<1.0.0.74

AND

netgeard7000v2Match-

Node

netgeard8500_firmwareRange<1.0.3.60

AND

netgeard8500Match-

Node

netgeardc112a_firmwareRange<1.0.0.56

AND

netgeardc112aMatch-

Node

netgearr6300v2_firmwareRange<1.0.4.50

AND

netgearr6300v2Match-

Node

netgearr6400_firmwareRange<1.0.1.68

AND

netgearr6400Match-

Node

netgearr7000_firmwareRange<1.0.11.116

AND

netgearr7000Match-

Node

netgearr7100lg_firmwareRange<1.0.0.70

AND

netgearr7100lgMatch-

Node

netgearr7000p_firmwareRange<1.3.2.132

AND

netgearr7000pMatch-

Node

netgearrbs40v_firmwareRange<2.6.2.8

AND

netgearrbs40vMatch-

Node

netgearrbw30_firmwareRange<2.6.2.2

AND

netgearrbw30Match-

Node

netgearrs400_firmwareRange<1.5.1.80

AND

netgearrs400Match-

Node

netgearr6900p_firmwareRange<1.3.2.132

AND

netgearr6900pMatch-

VendorProductVersionCPE
netgeard6220_firmware*cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:*
netgeard6220-cpe:2.3:h:netgear:d6220:-:*:*:*:*:*:*:*
netgeard6400_firmware*cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:*
netgeard6400-cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:*
netgeard7000v2_firmware*cpe:2.3:o:netgear:d7000v2_firmware:*:*:*:*:*:*:*:*
netgeard7000v2-cpe:2.3:h:netgear:d7000v2:-:*:*:*:*:*:*:*
netgeard8500_firmware*cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:*
netgeard8500-cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:*
netgeardc112a_firmware*cpe:2.3:o:netgear:dc112a_firmware:*:*:*:*:*:*:*:*
netgeardc112a-cpe:2.3:h:netgear:dc112a:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
netgear	d6220_firmware	*	cpe:2.3:o:netgear:d6220_firmware::::::::
netgear	d6220	-	cpe:2.3:h:netgear:d6220:-:::::::*
netgear	d6400_firmware	*	cpe:2.3:o:netgear:d6400_firmware::::::::
netgear	d6400	-	cpe:2.3:h:netgear:d6400:-:::::::*
netgear	d7000v2_firmware	*	cpe:2.3:o:netgear:d7000v2_firmware::::::::
netgear	d7000v2	-	cpe:2.3:h:netgear:d7000v2:-:::::::*
netgear	d8500_firmware	*	cpe:2.3:o:netgear:d8500_firmware::::::::
netgear	d8500	-	cpe:2.3:h:netgear:d8500:-:::::::*
netgear	dc112a_firmware	*	cpe:2.3:o:netgear:dc112a_firmware::::::::
netgear	dc112a	-	cpe:2.3:h:netgear:dc112a:-:::::::*

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1-10 of 281

References

kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.7

Confidence

High

EPSS

0.003

Percentile

65.6%

JSON

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