Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2018-21223

Severity CVSS v4.0:
Pending analysis
Type:
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Publication date:
28/04/2020
Last modified:
05/05/2020

Description

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D7800 before 1.0.1.30, R6100 before 1.0.1.20, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH
Vector 2.0
AV:A/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.80 MEDIUM
Vector: AV:A/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:netgear:d3600_firmware:*:*:*:*:*:*:*:* 1.0.0.67 (excluding)
cpe:2.3:h:netgear:d3600:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:d6000_firmware:*:*:*:*:*:*:*:* 1.0.0.67 (excluding)
cpe:2.3:h:netgear:d6000:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:* 1.0.1.30 (excluding)
cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6100_firmware:*:*:*:*:*:*:*:* 1.0.1.20 (excluding)
cpe:2.3:h:netgear:r6100:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:* 1.0.0.118 (excluding)
cpe:2.3:h:netgear:r7500:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:* 1.0.3.24 (excluding)
cpe:2.3:h:netgear:r7500:v2:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:* 1.0.2.52 (excluding)
cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wndr3700_firmware:*:*:*:*:*:*:*:* 1.0.2.96 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools