CWE
787 119
Advisory Published
Updated

CVE-2018-21134: Buffer Overflow

First published: Thu Apr 23 2020(Updated: )

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6700 before 1.0.1.48, R7900 before 1.0.2.16, R6900 before 1.0.1.48, R7000P before 1.3.1.44, R6900P before 1.3.1.44, R6250 before 1.0.4.30, R6300v2 before 1.0.4.32, R6400 before 1.0.1.44, R6400v2 before 1.0.2.60, R7000 before 1.0.9.34, R7100LG before 1.0.0.48, R7300 before 1.0.0.68, R8000 before 1.0.4.18, R8000P before 1.4.1.24, R7900P before 1.4.1.24, R8500 before 1.0.2.122, R8300 before 1.0.2.122, WN2500RPv2 before 1.0.1.54, EX3700 before 1.0.0.72, EX3800 before 1.0.0.72, EX6000 before 1.0.0.32, EX6100 before 1.0.2.24, EX6120 before 1.0.0.42, EX6130 before 1.0.0.24, EX6150v1 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, D7000v2 before 1.0.0.51, D6220 before 1.0.0.46, D6400 before 1.0.0.82, and D8500 before 1.0.3.42.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear R6700 Firmware<1.0.1.48
NETGEAR R6700v1 firmware
NETGEAR R7900P firmware<1.0.2.16
NETGEAR R7900P firmware
Netgear R6900 Firmware<1.0.1.48
Netgear R6900 Firmware
NETGEAR R7000P firmware<1.3.1.44
Netgear R7000P
NETGEAR R6900P firmware<1.3.1.44
Netgear R6900 Firmware
netgear R6250 Firmware<1.0.4.30
NETGEAR R6250
NETGEAR R6300 firmware<1.0.4.32
NETGEAR R6300v2=v2
NETGEAR R6400 firmware<1.0.1.44
NETGEAR R6400 firmware
NETGEAR R6400 firmware<1.0.2.60
NETGEAR R6400 firmware=v2
NETGEAR R7000 firmware<1.0.9.34
NETGEAR R7000 firmware
NETGEAR R7100LG firmware<1.0.0.48
Netgear R7100LG
NETGEAR R7300 firmware<1.0.0.68
NETGEAR R7300 firmware
NETGEAR R8000 firmware<1.0.4.18
NETGEAR R8000 firmware
NETGEAR R8000P<1.4.1.24
NETGEAR R8000P firmware
NETGEAR R7900P firmware<1.4.1.24
NETGEAR R7900P firmware
NETGEAR R8500<1.0.2.122
NETGEAR R8500
NETGEAR R8300 firmware<1.0.2.122
NETGEAR R8300 firmware
NETGEAR WN2500RP<1.0.1.54
NETGEAR WN2500RPv2=v2
NETGEAR EX3700 firmware<1.0.0.72
Netgear EX3700
NETGEAR EX3800 firmware<1.0.0.72
NETGEAR EX3800 firmware
NETGEAR EX6000<1.0.0.32
NETGEAR EX6000
NETGEAR EX6100 firmware<1.0.2.24
Netgear EX6100
NETGEAR EX6120 firmware<1.0.0.42
Netgear EX6120
NETGEAR EX6130<1.0.0.24
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 D7000v1 firmware<1.0.0.51
NETGEAR D7000 firmware=v2
Netgear D6220 Firmware<1.0.0.46
NETGEAR D6220 firmware
NETGEAR D6400<1.0.0.82
NETGEAR D6400 firmware
Netgear D8500 Firmware<1.0.3.42
Netgear D8500 Firmware

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Frequently Asked Questions

  • What is the severity of CVE-2018-21134?

    CVE-2018-21134 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-2018-21134?

    To fix CVE-2018-21134, users should update their NETGEAR devices to the latest firmware version that addresses this vulnerability.

  • Which NETGEAR devices are affected by CVE-2018-21134?

    CVE-2018-21134 affects several NETGEAR devices including R6700, R6900, R7000P, and R6400, among others, based on their firmware versions.

  • Can CVE-2018-21134 be exploited remotely?

    Yes, CVE-2018-21134 can be exploited by unauthenticated attackers remotely, making it a significant security concern.

  • What type of vulnerability is CVE-2018-21134?

    CVE-2018-21134 is a stack-based buffer overflow vulnerability that can lead to unauthorized access and potential system compromise.

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