CVE-2018-21205

Published: Apr 28, 2020Modified: Nov 21, 2024

8.8

Vector

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

Exploitability: 2.8 / Impact: 5.9

Source: NVD

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D7800 before 1.0.1.30, EX2700 before 1.0.1.28, R6100 before 1.0.1.20, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, WN3100RPv2 before 1.0.0.56, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

Affected (14)

Products: Netgear: D7800 Firmware, Ex2700 Firmware, R6100 Firmware, R7500 Firmware, R7800 Firmware, R900 Firmware, Wn2000rpt Firmware, Wn3000rp Firmware, Wn3100rp Firmware, Wndr3700 Firmware, Wndr4300 Firmware, Wndr4500 Firmware

12 products

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear D7800 Firmware	Before 1.0.1.30

Running on/with	Platform Versions
Netgear D7800	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear Ex2700 Firmware	Before 1.0.1.28

Running on/with	Platform Versions
Netgear Ex2700	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear R6100 Firmware	Before 1.0.1.20

Running on/with	Platform Versions
Netgear R6100	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear R7500 Firmware	Before 1.0.0.118

Running on/with	Platform Versions
Netgear R7500	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear R7500 Firmware	Before 1.0.3.24

Running on/with	Platform Versions
Netgear R7500	Version v2

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear R7800 Firmware	Before 1.0.2.40

Running on/with	Platform Versions
Netgear R7800	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear R900 Firmware	Before 1.0.2.52

Running on/with	Platform Versions
Netgear R900	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear Wn2000rpt Firmware	Before 1.0.1.20

Running on/with	Platform Versions
Netgear Wn2000rpt	Version v3

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear Wn3000rp Firmware	Before 1.0.2.50

Running on/with	Platform Versions
Netgear Wn3000rp	Version v3

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear Wn3100rp Firmware	Before 1.0.0.56

Running on/with	Platform Versions
Netgear Wn3100rp	Version v2

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear Wndr3700 Firmware	Before 1.0.2.96

Running on/with	Platform Versions
Netgear Wndr3700	Version v4

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear Wndr4300 Firmware	Before 1.0.2.98

Running on/with	Platform Versions
Netgear Wndr4300	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear Wndr4300 Firmware	Before 1.0.0.50

Running on/with	Platform Versions
Netgear Wndr4300	Version v2

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear Wndr4500 Firmware	Before 1.0.0.50

Running on/with	Platform Versions
Netgear Wndr4500	Version v3

Related CWEs

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (2)

https://kb.netgear.com/000055144/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2568

Source: cve@mitre.org

Vendor Advisory

https://kb.netgear.com/000055144/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2568

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.