CVE-2020-35787 : Certain NETGEAR devices are affected by a buffer overflow by an authenticated us

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.76, D6200 before 1.1.00.36, D7000 before 1.0.1.70, EX6200v2 before 1.0.1.78, EX7000 before 1.0.1.78, EX8000 before 1.0.1.186, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.42, R6050 before 1.0.1.18, R6080 before 1.0.0.42, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6260 before 1.1.0.64, R6300v2 before 1.0.4.34, R6700 before 1.0.2.6, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R6900v2 before 1.2.0.36, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7800 before 1.0.2.60, R8900 before 1.0.4.12, R9000 before 1.0.4.12, and XR500 before 2.3.2.40.

Published 2020-12-30 00:15:14

Updated 2020-12-31 15:07:51

Source MITRE

View at NVD, CVE.org

Vulnerability category: Overflow

Products affected by CVE-2020-35787

Netgear » D3600 Firmware
Versions before (<) 1.0.0.76
cpe:2.3:o:netgear:d3600_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » D3600 » Version: N/A
Netgear » D6000 Firmware
Versions before (<) 1.0.0.76
cpe:2.3:o:netgear:d6000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » D6000 » Version: N/A
Netgear » R6700 Firmware
Versions before (<) 1.0.2.6
cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6700 » Version: N/A
Netgear » R6700 Firmware
Versions before (<) 1.2.0.36
cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6700 » Version: V2
Netgear » R6900 Firmware
Versions before (<) 1.2.0.36
cpe:2.3:o:netgear:r6900_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6900 » Version: V2
Netgear » R6900 Firmware
Versions before (<) 1.0.2.4
cpe:2.3:o:netgear:r6900_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6900 » Version: N/A
Netgear » R7000 Firmware
Versions before (<) 1.0.9.42
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7000 » Version: N/A
Netgear » R6300 Firmware
Versions before (<) 1.0.4.34
cpe:2.3:o:netgear:r6300_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6300 » Version: V2
Netgear » Ex7000 Firmware
Versions before (<) 1.0.1.78
cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7000 » Version: N/A
Netgear » D6200 Firmware
Versions before (<) 1.1.00.36
cpe:2.3:o:netgear:d6200_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » D6200 » Version: N/A
Netgear » Jr6150 Firmware
Versions before (<) 1.0.1.18
cpe:2.3:o:netgear:jr6150_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Jr6150 » Version: N/A
Netgear » R6050 Firmware
Versions before (<) 1.0.1.18
cpe:2.3:o:netgear:r6050_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6050 » Version: N/A
Netgear » R6220 Firmware
Versions before (<) 1.1.0.80
cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6220 » Version: N/A
Netgear » D7000 Firmware
Versions before (<) 1.0.1.70
cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » D7000 » Version: N/A
Netgear » Pr2000 Firmware
Versions before (<) 1.0.0.28
cpe:2.3:o:netgear:pr2000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Pr2000 » Version: N/A
Netgear » R6020 Firmware
Versions before (<) 1.0.0.42
cpe:2.3:o:netgear:r6020_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6020 » Version: N/A
Netgear » R6080 Firmware
Versions before (<) 1.0.0.42
cpe:2.3:o:netgear:r6080_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6080 » Version: N/A
Netgear » R6120 Firmware
Versions before (<) 1.0.0.46
cpe:2.3:o:netgear:r6120_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6120 » Version: N/A
Netgear » R6800 Firmware
Versions before (<) 1.2.0.36
cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6800 » Version: N/A
Netgear » R7000p Firmware
Versions before (<) 1.3.1.64
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7000p » Version: N/A
Netgear » R6900p Firmware
Versions before (<) 1.3.1.64
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6900p » Version: N/A
Netgear » Ex6200 Firmware
Versions before (<) 1.0.1.78
cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6200 » Version: V2
Netgear » R7800 Firmware
Versions before (<) 1.0.2.60
cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7800 » Version: N/A
Netgear » R9000 Firmware
Versions before (<) 1.0.4.12
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R9000 » Version: N/A
Netgear » Ex8000 Firmware
Versions before (<) 1.0.1.186
cpe:2.3:o:netgear:ex8000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex8000 » Version: N/A
Netgear » R8900 Firmware
Versions before (<) 1.0.4.12
cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R8900 » Version: N/A
Netgear » Xr500 Firmware
Versions before (<) 2.3.2.40
cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Xr500 » Version: N/A
Netgear » R6260 Firmware
Versions before (<) 1.1.0.64
cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6260 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2020-35787

EPSS FAQ

0.14%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 30 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-35787

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.2	MEDIUM	AV:A/AC:L/Au:S/C:P/I:P/A:P	5.1	6.4	NIST
Access Vector: Adjacent Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.0	HIGH	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.1	5.9	MITRE
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
8.0	HIGH	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.1	5.9	NIST
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2020-35787

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-35787

https://kb.netgear.com/000062710/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Range-Extenders-PSV-2018-0379

Security Advisory for Post-Authentication Buffer Overflow on Some Routers and Range Extenders, PSV-2018-0379 | Answer | NETGEAR Support
Vendor Advisory

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Vulnerability Details : CVE-2020-35787

Products affected by CVE-2020-35787

Exploit prediction scoring system (EPSS) score for CVE-2020-35787

CVSS scores for CVE-2020-35787

CWE ids for CVE-2020-35787

References for CVE-2020-35787