What’s Vulnerable › Vulnerabilities

CVE-2017-18729

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-24 · updated 2026-06-17
• Weakness: CWE-787

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6200 before 1.1.00.24, R6020 before 1.0.0.30, R6080 before 1.0.0.30, R6120 before 1.0.0.36, R6700v2 before 1.1.0.42, R6800 before 1.1.0.42, and R6900v2 before 1.1.0.42.

Affected products

• NETGEAR D6200 Firmware: before 1.1.00.24 — fixed in 1.1.00.24
• NETGEAR R6020 Firmware: before 1.0.0.30 — fixed in 1.0.0.30
• NETGEAR R6080 Firmware: before 1.0.0.30 — fixed in 1.0.0.30
• NETGEAR R6120 Firmware: before 1.0.0.36 — fixed in 1.0.0.36
• NETGEAR R6700: before 1.1.0.42 — fixed in 1.1.0.42
• NETGEAR R6800 Firmware: before 1.1.0.42 — fixed in 1.1.0.42
• NETGEAR R6900 Firmware: before 1.1.0.42 — fixed in 1.1.0.42

How to fix

Upgrade to a fixed version: NETGEAR D6200 Firmware 1.1.00.24; NETGEAR R6020 Firmware 1.0.0.30; NETGEAR R6080 Firmware 1.0.0.30; NETGEAR R6120 Firmware 1.0.0.36; NETGEAR R6700 1.1.0.42; NETGEAR R6800 Firmware 1.1.0.42; NETGEAR R6900 Firmware 1.1.0.42. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000051526/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2135
• https://kb.netgear.com/000051526/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2135

Get alerted when CVE-2017-18729 or the next vulnerability affects your stack