CVE-2021-45637

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6260 before 1.1.0.76, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, R7450 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, and AC2600 before 1.2.0.62.

CVSS v3 8.3 HIGH
CVSS v2.0 7.5 HIGH

8.3^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.5

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://kb.netgear.com/000064059/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0081	Patch Vendor Advisory
https://kb.netgear.com/000064059/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0081	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r6700v2:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r6900v2:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:netgear:r7450_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7450:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:netgear:ac2100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:ac2100:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:netgear:ac2400_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:ac2400:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND

cpe:2.3:o:netgear:ac2600_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:ac2600:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:32

Type	Values Removed	Values Added
References	~~() https://kb.netgear.com/000064059/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0081 - Patch, Vendor Advisory~~	() https://kb.netgear.com/000064059/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0081 - Patch, Vendor Advisory
CVSS	v2 : ~~7.5~~ v3 : ~~9.8~~	v2 : 7.5 v3 : 8.3

07 Jan 2022, 18:52

Type	Values Removed	Values Added
CWE		CWE-787
References	~~(MISC) https://kb.netgear.com/000064059/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0081 -~~	(MISC) https://kb.netgear.com/000064059/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0081 - Patch, Vendor Advisory
CPE		cpe:2.3:h:netgear:r6800:-:::::::* cpe:2.3:o:netgear:ac2400_firmware:::::::: cpe:2.3:o:netgear:ac2600_firmware:::::::: cpe:2.3:h:netgear:ac2100:-:::::::* cpe:2.3:h:netgear:r7450:-:::::::* cpe:2.3:o:netgear:r6260_firmware:::::::: cpe:2.3:h:netgear:r6700v2:-:::::::* cpe:2.3:o:netgear:r6700v2_firmware:::::::: cpe:2.3:o:netgear:ac2100_firmware:::::::: cpe:2.3:o:netgear:r7450_firmware:::::::: cpe:2.3:o:netgear:r6900v2_firmware:::::::: cpe:2.3:o:netgear:r6800_firmware:::::::: cpe:2.3:h:netgear:r6260:-:::::::* cpe:2.3:h:netgear:r6900v2:-:::::::* cpe:2.3:h:netgear:ac2400:-:::::::* cpe:2.3:h:netgear:ac2600:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8

26 Dec 2021, 01:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-12-26 01:15

Updated : 2024-11-21 06:32

NVD link : CVE-2021-45637

Mitre link : CVE-2021-45637

CVE.ORG link : CVE-2021-45637

JSON object : View

Products Affected

netgear

r6700v2
r6260
r6900v2_firmware
ac2100
r6900v2
ac2400
ac2400_firmware
r6700v2_firmware
r6800
r7450_firmware
ac2600
ac2100_firmware
r7450
r6260_firmware
ac2600_firmware
r6800_firmware

CWE

CWE-787

Out-of-bounds Write

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8.3 /10