CVE-2018-21203

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6100 before 1.0.1.20, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

CVSS v3 8.8 HIGH
CVSS v2.0 5.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 6.5 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://kb.netgear.com/000055146/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2017-2589	Vendor Advisory
https://kb.netgear.com/000055146/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2017-2589	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netgear:r6100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r6100:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:netgear:wndr3700_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wndr3700:v4:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wndr4300:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wndr4300:v2:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wndr4500:v3:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-04-28 16:15

Updated : 2024-11-21 04:03

NVD link : CVE-2018-21203

Mitre link : CVE-2018-21203

CVE.ORG link : CVE-2018-21203

JSON object : View

Products Affected

netgear

r6100
wndr4300
r9000_firmware
wndr4300_firmware
wndr4500_firmware
wndr3700
r6100_firmware
wndr3700_firmware
wndr4500
r9000

CWE

CWE-787

Out-of-bounds Write

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This affects R6100 before 1.0.1.20, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50."}, {"lang": "es", "value": "Determinados dispositivos de NETGEAR est\u00e1n afectados por un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria por parte de un atacante no autenticado. 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