medium
6.7
CWE
787 119
Advisory Published
Updated

CVE-2019-20733: Buffer Overflow

First published: Thu Apr 16 2020(Updated: )

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.44, D6400 before 1.0.0.78, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v4 before 1.0.0.110, DGND2200Bv4 before 1.0.0.110, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.24, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150v1 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, R6250 before 1.0.4.26, R6300v2 before 1.0.4.28, R6400 before 1.0.1.36, R6400v2 before 1.0.2.52, R6700 before 1.0.1.46, R6900 before 1.0.1.46, R7000 before 1.0.9.28, R6900P before 1.3.1.64, R7000P before 1.3.1.64, R7100LG before 1.0.0.46, R7300DST before 1.0.0.68, 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 1.0.2.122, R8500 before 1.0.2.122, WN2500RPv2 before 1.0.1.54, WNDR3400v3 before 1.0.1.22, and WNR3500Lv2 before 1.2.0.54.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear D6220 Firmware<1.0.0.44
NETGEAR D6220 firmware
NETGEAR D6400<1.0.0.78
NETGEAR D6400 firmware
NETGEAR D7000v1 firmware<1.0.0.51
NETGEAR D7000 firmware=v2
Netgear D8500 Firmware<1.0.3.42
Netgear D8500 Firmware
NETGEAR DGN2200B firmware<1.0.0.110
NETGEAR DGN2200M=v4
NETGEAR DGND2200B<1.0.0.110
NETGEAR DGND2200B firmware=v4
Netgear EX3700<1.0.0.70
Netgear EX3700
NETGEAR EX3800 Firmware<1.0.0.70
NETGEAR EX3800 firmware
NETGEAR EX6000<1.0.0.30
NETGEAR EX6000
Netgear EX6100<1.0.2.24
Netgear EX6100
NETGEAR EX6120<1.0.0.40
Netgear EX6120
NETGEAR EX6130<1.0.0.22
NETGEAR EX6130
NETGEAR EX6150<1.0.0.42
NETGEAR EX6150v2=v1
NETGEAR EX6200<1.0.3.88
NETGEAR EX6200v1
NETGEAR EX7000 firmware<1.0.0.66
NETGEAR EX7000 firmware
Netgear R6250 Firmware<1.0.4.26
NETGEAR R6250
NETGEAR R6300 firmware<1.0.4.28
NETGEAR R6300 firmware=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<1.0.1.46
NETGEAR R6700v1 firmware
Netgear R6900 Firmware<1.0.1.46
Netgear R6900 Firmware
NETGEAR Nighthawk R7000<1.0.9.28
NETGEAR Nighthawk R7000
NETGEAR R6900P Firmware<1.3.1.64
Netgear R6900 Firmware
NETGEAR R7000P firmware<1.3.1.64
Netgear Routers
NETGEAR R7100LG firmware<1.0.0.46
Netgear R7100LG
NETGEAR R7300DST firmware<1.0.0.68
NETGEAR R7300DST firmware
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<1.0.2.122
NETGEAR R8300 firmware
NETGEAR R8500<1.0.2.122
NETGEAR R8500
NETGEAR WN2500RP<1.0.1.54
NETGEAR WN2500RPv2=v2
NETGEAR WNDR3400<1.0.1.22
NETGEAR WNDR3400 firmware=v3
NETGEAR WNR3500L<1.2.0.54
NETGEAR WNR3500L firmware=v2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-20733?

    CVE-2019-20733 is classified as a critical vulnerability due to the potential for remote code execution via a stack-based buffer overflow.

  • How do I fix CVE-2019-20733?

    To mitigate CVE-2019-20733, update your affected NETGEAR devices to the latest firmware version provided by NETGEAR.

  • Which NETGEAR devices are affected by CVE-2019-20733?

    CVE-2019-20733 affects various NETGEAR devices including D6220, D6400, D7000v2, D8500, DGN2200v4, EX3700, and others using specific firmware versions.

  • Can CVE-2019-20733 be exploited by an authenticated user?

    No, CVE-2019-20733 can be exploited by unauthenticated attackers, making it particularly dangerous.

  • What type of vulnerability is CVE-2019-20733?

    CVE-2019-20733 is a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code.

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