medium
6.7
CWE
120 119
Advisory Published
Updated

CVE-2019-20728: Buffer Overflow

First published: Thu Apr 16 2020(Updated: )

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6400 before 1.0.0.74, D7000v2 before 1.0.0.74, D7800 before 1.0.1.34, D8500 before 1.0.3.39, DGN2200v4 before 1.0.0.102, DGND2200Bv4 before 1.0.0.102, DM200 before 1.0.0.52, JNDR3000 before 1.0.0.22, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, RBW30 before 2.1.2.6, R6250 before 1.0.4.26, R6300v2 before 1.0.4.24, R6400 before 1.0.1.36, R6400v2 before 1.0.2.52, R6700 before 1.0.1.44, R6900 before 1.0.1.44, R7000 before 1.0.9.26, R6900P before 1.3.0.20, R7000P before 1.3.0.20, R7100LG before 1.0.0.40, R7300DST before 1.0.0.62, R7500v2 before 1.0.3.26, R7800 before 1.0.2.44, R7900 before 1.0.2.10, R8000 before 1.0.4.12, R7900P before 1.3.0.10, R8000P before 1.3.0.10, R8300 before 1.0.2.116, R8500 before 1.0.2.116, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3400v3 before 1.0.1.18, WNDR3700v4 before 1.0.2.96, WNDR4300v1 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, WNR2000v5 before 1.0.0.64, and WNR3500Lv2 before 1.2.0.48.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
NETGEAR D6400<1.0.0.74
NETGEAR D6400 firmware
NETGEAR D7000v1 firmware<1.0.0.74
NETGEAR D7000 firmware=v2
NETGEAR D7800<1.0.1.34
NETGEAR D7800 Firmware
Netgear D8500 Firmware<1.0.3.39
Netgear D8500 Firmware
NETGEAR DGN2200B firmware<1.0.0.102
NETGEAR DGN2200M=v4
NETGEAR DGN2200B firmware<1.0.0.102
NETGEAR DGND2200B firmware=v4
NETGEAR DM200<1.0.0.52
NETGEAR DM200 firmware
NETGEAR JNDR3000 firmware<1.0.0.22
NETGEAR JNDR3000 firmware
NETGEAR RBK50 firmware<2.3.5.30
NETGEAR RBK50
NETGEAR RBR50 firmware<2.3.5.30
NETGEAR RBR50 firmware
NETGEAR RBS50 firmware<2.3.5.30
NETGEAR RBS50
NETGEAR RBW30 firmware<2.1.2.6
NETGEAR RBW30 firmware
netgear R6250 Firmware<1.0.4.26
NETGEAR R6250
NETGEAR R6300 firmware<1.0.4.24
NETGEAR R6300v2=v2
NETGEAR R6400 firmware<1.0.1.36
NETGEAR R6400 firmware
NETGEAR R6400 firmware<1.0.2.52
NETGEAR R6400 firmware=v2
Netgear R6700 Firmware<1.0.1.44
NETGEAR R6700v1 firmware
Netgear R6900 Firmware<1.0.1.44
Netgear R6900 Firmware
NETGEAR R7000 firmware<1.0.9.26
NETGEAR R7000 firmware
NETGEAR R6900P firmware<1.3.0.20
Netgear R6900 Firmware
NETGEAR R7000P firmware<1.3.0.20
Netgear R7000P
NETGEAR R7100LG firmware<1.0.0.40
Netgear R7100LG
NETGEAR R7300DST firmware<1.0.0.62
NETGEAR R7300DST firmware
NETGEAR R7500v2 firmware<1.0.3.26
NETGEAR R7500v2 firmware=v2
NETGEAR R7800 firmware<1.0.2.44
NETGEAR R7800
NETGEAR R7900P firmware<1.0.2.10
NETGEAR R7900P firmware
NETGEAR R8000 firmware<1.0.4.12
NETGEAR R8000 firmware
NETGEAR R7900P firmware<1.3.0.10
NETGEAR R7900P firmware
NETGEAR R8000P<1.3.0.10
NETGEAR R8000P firmware
NETGEAR R8300 firmware<1.0.2.116
NETGEAR R8300 firmware
NETGEAR R8500<1.0.2.116
NETGEAR R8500
NETGEAR R8900 firmware<1.0.3.10
NETGEAR R8900
NETGEAR R9000 firmware<1.0.3.10
NETGEAR R9000 firmware
NETGEAR WNDR3400<1.0.1.18
NETGEAR WNDR3400 firmware=v3
NETGEAR WNDR3700 firmware<1.0.2.96
NETGEAR WNDR3700v4=v4
NETGEAR WNDR4300v2 firmware<1.0.2.98
NETGEAR wndr4300v2=v1
NETGEAR WNDR4300v2 firmware<1.0.0.54
NETGEAR wndr4300v2=v2
NETGEAR WNDR4500 firmware<1.0.0.54
NETGEAR WNDR4500v3=v3
NETGEAR WNR2000v2<1.0.0.64
Netgear WNR2000v4=v5
NETGEAR WNR3500L<1.2.0.48
NETGEAR WNR3500L firmware=v2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-20728?

    CVE-2019-20728 has a medium severity rating due to the potential for unauthorized access and system instability.

  • What devices are affected by CVE-2019-20728?

    CVE-2019-20728 affects various NETGEAR devices including D6400, D7000v2, D7800, D8500, and others prior to their respective firmware updates.

  • How do I fix CVE-2019-20728?

    To fix CVE-2019-20728, update your NETGEAR device firmware to the specified versions or later that address the vulnerability.

  • What type of vulnerability is described in CVE-2019-20728?

    CVE-2019-20728 is a buffer overflow vulnerability that can be exploited by an authenticated user.

  • Is there a workaround for CVE-2019-20728?

    Currently, the best workaround for CVE-2019-20728 is to ensure that your devices are updated to the latest firmware that mitigates this vulnerability.

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