CVE-2018-21156: Buffer Overflow
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6220 before 1.0.0.38, D6400 before 1.0.0.74, D7000v2 before 1.0.0.74, D8500 before 1.0.3.39, DGN2200v4 before 1.0.0.102, DGN2200Bv4 before 1.0.0.102, 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, EX6150 before 1.0.0.38, EX6200 before 1.0.3.86, EX7000 before 1.0.0.64, R6250 before 1.0.4.20, R6300v2 before 1.0.4.22, R6400 before 1.0.1.32, R6400v2 before 1.0.2.52, R6700 before 1.0.1.44, R6900 before 1.0.1.44, R6900P before 1.3.0.18, R7000 before 1.0.9.28, R7000P before 1.3.0.18, R7300DST before 1.0.0.62, R7900 before 1.0.2.10, R7900P before 1.3.0.10, R8000 before 1.0.4.12, R8000P before 1.3.0.10, R8300 before 1.0.2.116, R8500 before 1.0.2.116, WN2500RPv2 before 1.0.1.52, WNDR3400v3 before 1.0.1.18, and WNR3500Lv2 before 1.2.0.46.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2018-21156?
CVE-2018-21156 is classified as a high severity vulnerability due to its potential for remote code execution via a buffer overflow.
How do I fix CVE-2018-21156?
To fix CVE-2018-21156, update the affected NETGEAR devices to the latest firmware versions that patch this vulnerability.
Which NETGEAR devices are affected by CVE-2018-21156?
CVE-2018-21156 affects several NETGEAR devices including D6220, D6400, D7000V2, D8500, DGN2200V4, EX3700, and EX3800 among others.
Can CVE-2018-21156 be exploited remotely?
Yes, CVE-2018-21156 can be exploited by an authenticated user with access to the device to execute arbitrary code remotely.
What type of vulnerability is CVE-2018-21156?
CVE-2018-21156 is a buffer overflow vulnerability that arises when a device does not properly validate input data leading to memory corruption.