CVE-2018-21156 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Reference

https://kb.netgear.com/000059474/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Gateways-Routers-and-Extenders-PSV-2017-2460

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.2