high
8.8
CWE
787 119
Advisory Published
Updated

CVE-2018-21093: Buffer Overflow

First published: Mon Apr 27 2020(Updated: )

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D8500 before 1.0.3.42, 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, EX6150 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, R6250 before 1.0.4.26, R6300-2CXNAS before 1.0.3.60, 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, R7000P before 1.3.1.44, R6900P before 1.3.1.44, R7100LG before 1.0.0.46, R7300 before 1.0.0.68, R7900 before 1.0.2.10, R8000 before 1.0.4.18, R8000P before 1.3.0.10, R7900P before 1.3.0.10, R8500 before 1.0.2.122, R8300 before 1.0.2.122, RBW30 before 2.1.2.6, WN2500RPv2 before 1.0.0.54, and WNR3500Lv2 before 1.2.0.56.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear D8500 Firmware<1.0.3.42
Netgear D8500 Firmware
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 firmware<1.0.0.40
Netgear EX6120
NETGEAR EX6130<1.0.0.22
NETGEAR EX6130
NETGEAR EX6150<1.0.0.42
NETGEAR EX6150v2
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<1.0.3.60
NETGEAR R6300-2CXNAS firmware
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 Firmware<1.0.9.28
NETGEAR Nighthawk R7000
NETGEAR R7000P firmware<1.3.1.44
Netgear Routers
NETGEAR R6900P firmware<1.3.1.44
Netgear R6900 Firmware
NETGEAR R7100LG firmware<1.0.0.46
Netgear R7100LG
NETGEAR R7300 firmware<1.0.0.68
NETGEAR R7300 firmware
NETGEAR R7900P firmware<1.0.2.10
NETGEAR R7900P firmware
NETGEAR R8000 firmware<1.0.4.18
NETGEAR R8000 firmware
NETGEAR R8000P<1.3.0.10
NETGEAR R8000P firmware
NETGEAR R7900P firmware<1.3.0.10
NETGEAR R7900P firmware
NETGEAR R8500<1.0.2.122
NETGEAR R8500
NETGEAR R8300 firmware<1.0.2.122
NETGEAR R8300 firmware
NETGEAR RBW30 firmware<2.1.2.6
NETGEAR RBW30 firmware
NETGEAR WN2500RP<1.0.0.54
NETGEAR WN2500RPv2=v2
NETGEAR WNR3500L<1.2.0.56
NETGEAR WNR3500L firmware=v2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2018-21093?

    CVE-2018-21093 is classified as a critical vulnerability due to the potential for remote code execution by an unauthenticated attacker.

  • How do I fix CVE-2018-21093?

    To mitigate CVE-2018-21093, you should update affected NETGEAR devices to the latest firmware version available.

  • Which NETGEAR devices are affected by CVE-2018-21093?

    CVE-2018-21093 impacts several NETGEAR devices including the D8500, EX3700, EX3800, EX6000 and others before specific firmware versions.

  • What type of vulnerability is CVE-2018-21093?

    CVE-2018-21093 is a stack-based buffer overflow vulnerability.

  • Can CVE-2018-21093 be exploited remotely?

    Yes, CVE-2018-21093 can be exploited remotely by an unauthenticated attacker.

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