CVE-2019-20720

Severity: medium (CVSS 4.8 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: 2020-04-16 · updated 2026-06-17
Weakness: CWE-79

Description

Certain NETGEAR devices are affected by stored XSS. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.76, D7800 before 1.0.1.47, R7500v2 before 1.0.3.38, R7800 before 1.0.2.52, R8900 before 1.0.4.12, R9000 before 1.0.4.12, WN2000RPTv3 before 1.0.1.32, WN3000RPv3 before 1.0.2.70, and WN3100RPv2 before 1.0.0.66.

Affected products

NETGEAR D3600 Firmware: before 1.0.0.76 — fixed in 1.0.0.76
NETGEAR D6000 Firmware: before 1.0.0.76 — fixed in 1.0.0.76
NETGEAR D7800 Firmware: before 1.0.1.47 — fixed in 1.0.1.47
NETGEAR R7500 Firmware: before 1.0.3.38 — fixed in 1.0.3.38
NETGEAR R7800 Firmware: before 1.0.2.52 — fixed in 1.0.2.52
NETGEAR R8900 Firmware: before 1.0.4.12 — fixed in 1.0.4.12
NETGEAR R9000 Firmware: before 1.0.4.12 — fixed in 1.0.4.12
NETGEAR Wn2000Rpt Firmware: before 1.0.1.32 — fixed in 1.0.1.32
NETGEAR Wn3000Rp Firmware: before 1.0.2.70 — fixed in 1.0.2.70
NETGEAR Wn3100Rp Firmware: before 1.0.0.66 — fixed in 1.0.0.66

How to fix

Upgrade to a fixed version: NETGEAR D3600 Firmware 1.0.0.76; NETGEAR D6000 Firmware 1.0.0.76; NETGEAR D7800 Firmware 1.0.1.47; NETGEAR R7500 Firmware 1.0.3.38; NETGEAR R7800 Firmware 1.0.2.52; NETGEAR R8900 Firmware 1.0.4.12; NETGEAR R9000 Firmware 1.0.4.12; NETGEAR Wn2000Rpt Firmware 1.0.1.32; NETGEAR Wn3000Rp Firmware 1.0.2.70; NETGEAR Wn3100Rp Firmware 1.0.0.66. Check the vendor advisory for mitigations.

References

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