CVE-2017-18743

HIGH

8.8

CVSS Score

Published: April 23, 2020 at 03:38 PM UTC

Updated: June 17, 2026 at 01:13 AM UTC

26 products affected across 1 vendorR6700 FirmwareR7000 FirmwareR8500 Firmware

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Severity

HIGH8.8

Exploit prediction

EPSS 0.6%

Description

Certain NETGEAR devices are affected by authentication bypass. This affects R6300v2 before 1.0.4.8, R6400 before 1.0.1.20, R6700 before 1.0.1.20, R6900 before 1.0.1.20, R7000 before 1.0.7.10, R7100LG before V1.0.0.32, R7300DST before 1.0.0.52, R7900 before 1.0.1.16, R8000 before 1.0.3.36, R8300 before 1.0.2.94, R8500 before 1.0.2.94, WNDR3400v3 before 1.0.1.12, and WNR3500Lv2 before 1.2.0.40.

Affected

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

R6300 Firmware · NETGEAR

95%

v < 1.0.4.8

Affected range stops below 1.0.4.8, so it looks safe — our inference, not a vendor statement

netgear-r6300 (same device)

R6400 Firmware · NETGEAR

95%

v < 1.0.1.20

Affected range stops below 1.0.1.20, so it looks safe — our inference, not a vendor statement

R6700 Firmware · NETGEAR

95%

v < 1.0.1.20

Affected range stops below 1.0.1.20, so it looks safe — our inference, not a vendor statement

netgear-r6700 (same device)

R6900 Firmware · NETGEAR

95%

v < 1.0.1.20

Affected range stops below 1.0.1.20, so it looks safe — our inference, not a vendor statement

R7000 Firmware · NETGEAR

95%

v < 1.0.7.10

Affected range stops below 1.0.7.10, so it looks safe — our inference, not a vendor statement

netgear-r7000 (same device)

R7100LG Firmware · NETGEAR

95%

v < 1.0.0.32

Affected range stops below 1.0.0.32, so it looks safe — our inference, not a vendor statement

R7300DST Firmware · NETGEAR

95%

v < 1.0.0.52

Affected range stops below 1.0.0.52, so it looks safe — our inference, not a vendor statement

netgear-r7300dst (same device)

R7900 Firmware · NETGEAR

95%

v < 1.0.1.16

Affected range stops below 1.0.1.16, so it looks safe — our inference, not a vendor statement

netgear-r7900 (same device)

R8000 Firmware · NETGEAR

95%

v < 1.0.3.36

Affected range stops below 1.0.3.36, so it looks safe — our inference, not a vendor statement

netgear-r8000 (same device)

R8300 Firmware · NETGEAR

95%

v < 1.0.2.94

Affected range stops below 1.0.2.94, so it looks safe — our inference, not a vendor statement

netgear-r8300 (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/000051512/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2017-0330

References (1)

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://kb.netgear.com/000051512/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2017-0330

CVSS

8.8HIGH[email protected]

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-287

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