What’s Vulnerable › Vulnerabilities

CVE-2017-18765

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-22 · updated 2026-06-17

Description

Certain NETGEAR devices are affected by denial of service. This affects R6300v2 before 1.0.4.8, R6400 before 1.0.1.22, R6400v2 before 1.0.2.32, R6700 before 1.0.1.20, R6900 before 1.0.1.20, WNR3500Lv2 before 1.2.0.44, and WNR2000v2 before 1.2.0.8.

Affected products

• NETGEAR R6300 Firmware: before 1.0.4.8 — fixed in 1.0.4.8
• NETGEAR R6400 Firmware: before 1.0.1.22; before 1.0.2.32 — fixed in 1.0.1.22, 1.0.2.32
• NETGEAR R6700: before 1.0.1.20 — fixed in 1.0.1.20
• NETGEAR R6900 Firmware: before 1.0.1.20 — fixed in 1.0.1.20
• NETGEAR Wnr2000 Firmware: before 1.2.0.8 — fixed in 1.2.0.8
• NETGEAR Wnr3500L Firmware: before 1.2.0.44 — fixed in 1.2.0.44

How to fix

Upgrade to a fixed version: NETGEAR R6300 Firmware 1.0.4.8; NETGEAR R6400 Firmware 1.0.1.22, 1.0.2.32; NETGEAR R6700 1.0.1.20; NETGEAR R6900 Firmware 1.0.1.20; NETGEAR Wnr2000 Firmware 1.2.0.8; NETGEAR Wnr3500L Firmware 1.2.0.44. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000051480/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2017-0648
• https://kb.netgear.com/000051480/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2017-0648

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