What’s Vulnerable › Vulnerabilities

CVE-2017-18841

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-20 · updated 2026-06-17
• Weakness: CWE-74

Description

Certain NETGEAR devices are affected by command injection. This affects R6220 before 1.1.0.46, R6700v2 before 1.1.0.38, R6800 before 1.1.0.38, WNDR3700v5 before 1.1.0.46, and D7000 before 1.0.1.50.

Affected products

• NETGEAR D7000 Firmware: before 1.0.1.50 — fixed in 1.0.1.50
• NETGEAR R6220 Firmware: before 1.1.0.46 — fixed in 1.1.0.46
• NETGEAR R6700: before 1.1.0.38 — fixed in 1.1.0.38
• NETGEAR R6800 Firmware: before 1.1.0.38 — fixed in 1.1.0.38
• NETGEAR Wndr3700 Firmware: before 1.1.0.46 — fixed in 1.1.0.46

How to fix

Upgrade to a fixed version: NETGEAR D7000 Firmware 1.0.1.50; NETGEAR R6220 Firmware 1.1.0.46; NETGEAR R6700 1.1.0.38; NETGEAR R6800 Firmware 1.1.0.38; NETGEAR Wndr3700 Firmware 1.1.0.46. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000049018/Security-Advisory-for-Command-Injection-on-Some-Routers-and-a-Modem-Router-PSV-2017-2158
• https://kb.netgear.com/000049018/Security-Advisory-for-Command-Injection-on-Some-Routers-and-a-Modem-Router-PSV-2017-2158

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