CVE-2020-35787

HIGH

CVSS Score

Published: December 29, 2020 at 11:40 PM UTC

Updated: June 17, 2026 at 03:14 AM UTC

51 products affected across 1 vendorR7800 FirmwareR9000 FirmwareR6700 Firmware

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Severity

HIGH8

Exploit prediction

EPSS 0.5%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

D3600 Firmware · NETGEAR

95%

v < 1.0.0.76

Affected range stops below 1.0.0.76, so it looks safe — our inference, not a vendor statement

netgear-d3600 (same device)

D6000 Firmware · NETGEAR

95%

v < 1.0.0.76

Affected range stops below 1.0.0.76, so it looks safe — our inference, not a vendor statement

netgear-d6000 (same device)

D6200 Firmware · NETGEAR

95%

v < 1.1.00.36

Affected range stops below 1.1.00.36, so it looks safe — our inference, not a vendor statement

netgear-d6200 (same device)

D7000 Firmware · NETGEAR

95%

v < 1.0.1.70

Affected range stops below 1.0.1.70, so it looks safe — our inference, not a vendor statement

netgear-d7000 (same device)

EX6200 Firmware · NETGEAR

95%

v < 1.0.1.78

Affected range stops below 1.0.1.78, so it looks safe — our inference, not a vendor statement

EX7000 Firmware · NETGEAR

95%

v < 1.0.1.78

Affected range stops below 1.0.1.78, so it looks safe — our inference, not a vendor statement

netgear-ex7000 (same device)

EX8000 Firmware · NETGEAR

95%

v < 1.0.1.186

Affected range stops below 1.0.1.186, so it looks safe — our inference, not a vendor statement

netgear-ex8000 (same device)

JR6150 Firmware · NETGEAR

95%

v < 1.0.1.18

Affected range stops below 1.0.1.18, so it looks safe — our inference, not a vendor statement

netgear-jr6150 (same device)

PR2000 Firmware · NETGEAR

95%

v < 1.0.0.28

Affected range stops below 1.0.0.28, so it looks safe — our inference, not a vendor statement

netgear-pr2000 (same device)

R6020 Firmware · NETGEAR

95%

v < 1.0.0.42

Affected range stops below 1.0.0.42, so it looks safe — our inference, not a vendor statement

netgear-r6020 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

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

CVSS

8HIGHmitre

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-120

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