high
8.8
CWE
120 119
Advisory Published
Updated

CVE-2019-20734: Buffer Overflow

First published: Thu Apr 16 2020(Updated: )

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.40, D8500 before 1.0.3.39, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.22, 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, R6300v2 before 1.0.4.18, R6400 before 1.0.1.24, R6400v2 before 1.0.2.32, R6700 before 1.0.1.22, R6700v3 before 1.0.2.32, R6900 before 1.0.1.22, R7000 before 1.0.9.6, R6900P before 1.0.0.56, R7000P before 1.0.0.56, R7100LG before 1.0.0.42, R7300DST before 1.0.0.54, R7900 before 1.0.1.26, R8300 before 1.0.2.106, R8500 before 1.0.2.106, WN2500RPv2 before 1.0.1.54, and WNR3500Lv2 before 1.2.0.46. NOTE: this may be a result of an incomplete fix for CVE-2017-18864.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear D6220 Firmware<1.0.0.40
NETGEAR D6220 firmware
Netgear D8500 Firmware<1.0.3.39
Netgear D8500 Firmware
NETGEAR EX3700 firmware<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 firmware<1.0.2.22
Netgear EX6100
NETGEAR EX6120 firmware<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 firmware<1.0.3.88
NETGEAR EX6200
NETGEAR EX7000 firmware<1.0.0.66
NETGEAR EX7000 firmware
NETGEAR R6300 firmware<1.0.4.18
NETGEAR R6300v2=v2
NETGEAR R6400 firmware<1.0.1.24
NETGEAR R6400 firmware
NETGEAR R6400 firmware<1.0.2.32
NETGEAR R6400 firmware=v2
Netgear R6700 Firmware<1.0.1.22
NETGEAR R6700v1 firmware
Netgear R6700 Firmware<1.0.2.32
NETGEAR R6700v1 firmware=v3
Netgear R6900 Firmware<1.0.1.22
Netgear R6900 Firmware
NETGEAR R7000 firmware<1.0.9.6
NETGEAR R7000 firmware
NETGEAR R6900P firmware<1.0.0.56
Netgear R6900 Firmware
NETGEAR R7000P firmware<1.0.0.56
Netgear R7000P
NETGEAR R7100LG firmware<1.0.0.42
Netgear R7100LG
NETGEAR R7300DST firmware<1.0.0.54
NETGEAR R7300DST firmware
NETGEAR R7900P firmware<1.0.1.26
NETGEAR R7900P firmware
NETGEAR R8300 firmware<1.0.2.106
NETGEAR R8300 firmware
NETGEAR R8500<1.0.2.106
NETGEAR R8500
NETGEAR WN2500RP<1.0.1.54
NETGEAR WN2500RPv2=v2
NETGEAR WNR3500L<1.2.0.46
NETGEAR WNR3500L firmware=v2

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Reference Links

Frequently Asked Questions

  • Which NETGEAR devices are affected by CVE-2019-20734?

    D6220, D8500, EX3700, EX3800, EX6000, EX6100, EX6120, EX6130, and EX6150v2 are affected.

  • What is the severity of CVE-2019-20734?

    The severity of CVE-2019-20734 is high (8.8).

  • How can an attacker exploit CVE-2019-20734?

    An unauthenticated attacker can exploit CVE-2019-20734 by performing a buffer overflow.

  • Are the affected NETGEAR devices vulnerable even if they are not in the affected firmware version range?

    No, the affected NETGEAR devices are only vulnerable if they are within the specified firmware version range.

  • Where can I find more information about CVE-2019-20734?

    You can find more information about CVE-2019-20734 in the Netgear Security Advisory.

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