medium
4.8
CWE
79
Advisory Published
Updated

CVE-2019-20721: XSS

First published: Thu Apr 16 2020(Updated: )

Certain NETGEAR devices are affected by stored XSS. This affects D7800 before 1.0.1.47, EX2700 before 1.0.1.48, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, EX6200v2 before 1.0.1.72, EX6400 before 1.0.2.136, EX7300 before 1.0.2.136, 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, WN3000RPv2 before 1.0.0.68, WN3000RPv3 before 1.0.2.70, WN3100RPv2 before 1.0.0.66, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, WNR2000v5 before 1.0.0.66, XR450 before 2.3.2.32, and XR500 before 2.3.2.32.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear D7800 Firmware<1.0.1.47
Netgear D7800
Netgear Ex2700 Firmware<1.0.1.48
Netgear Ex2700
Netgear Ex6100 Firmware<1.0.1.76
Netgear EX6100=v2
NETGEAR R7800<1.0.1.76
Netgear Ex6150=v2
Netgear Ex6200 Firmware<1.0.1.72
Netgear EX6200=v2
Netgear Ex6400 Firmware<1.0.2.136
Netgear Ex6400
Netgear Ex7300 Firmware<1.0.2.136
Netgear Ex7300
Netgear R7500 Firmware<1.0.3.38
Netgear R7500=v2
NETGEAR R7800 firmware<1.0.2.52
NETGEAR R7800
Netgear R8900 Firmware<1.0.4.12
NETGEAR R8900
Netgear R9000 Firmware<1.0.4.12
NETGEAR R9000
Netgear Wn2000rpt Firmware<1.0.1.32
Netgear Wn2000rpt=v3
Netgear Wn3000rp Firmware<1.0.0.68
Netgear Wn3000rp=v2
Netgear Wn3000rp Firmware<1.0.2.70
Netgear Wn3000rp=v3
Netgear Wn3100rp Firmware<1.0.0.66
Netgear Wn3100rp=v2
Netgear Wndr4300 Firmware<1.0.0.58
Netgear Wndr4300=v2
Netgear Wndr4500 Firmware<1.0.0.58
Netgear WNDR4500=v3
NETGEAR R7800<2.3.2.32
NETGEAR R7800
Netgear Xr500 Firmware<2.3.2.32
NETGEAR XR500
Netgear Wnr2000 Firmware<1.0.0.66
Netgear WNR2000=v5

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Reference Links

Frequently Asked Questions

  • Which NETGEAR devices are affected by stored XSS vulnerability CVE-2019-20721?

    This vulnerability affects the following NETGEAR devices: D7800 before 1.0.1.47, EX2700 before 1.0.1.48, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, EX6200v2 before 1.0.1.72, EX6400 before 1.0.2.136, EX7300 before 1.0.2.136, R7500v2 before 1.0.3.38, R7800 before 1.0.2.52, and R8900 before 1.0.4.12.

  • What is the severity of vulnerability CVE-2019-20721?

    The severity of CVE-2019-20721 is medium, with a severity value of 4.8.

  • What is the Common Weakness Enumeration (CWE) of vulnerability CVE-2019-20721?

    The Common Weakness Enumeration (CWE) of CVE-2019-20721 is CWE-79 (Cross-site Scripting).

  • How can I fix the stored XSS vulnerability CVE-2019-20721?

    To fix this vulnerability, update the firmware of your affected NETGEAR device to the latest version provided by NETGEAR.

  • Where can I find more information about vulnerability CVE-2019-20721?

    You can find more information about vulnerability CVE-2019-20721 in the NETGEAR Security Advisory and the provided reference link: https://kb.netgear.com/000061207/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-Gateways-and-Extenders-PSV-2018-0159

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