PT-2020-8856 · NetGear · D6100+16

Mongo · Published 2020-04-28 · Updated 2020-05-05 · CVE-2018-21212

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions NETGEAR D3600 versions prior to 1.0.0.67 NETGEAR D6000 versions prior to 1.0.0.67 NETGEAR D6100 versions prior to 1.0.0.56 NETGEAR D7800 versions prior to 1.0.1.30 NETGEAR EX2700 versions prior to 1.0.1.28 NETGEAR R6100 versions prior to 1.0.1.20 NETGEAR R7500 versions prior to 1.0.0.118 NETGEAR R7500v2 versions prior to 1.0.3.24 NETGEAR R7800 versions prior to 1.0.2.40 NETGEAR R9000 versions prior to 1.0.2.52 NETGEAR WN2000RPTv3 versions prior to 1.0.1.20 NETGEAR WN3000RPv3 versions prior to 1.0.2.50 NETGEAR WN3100RPv2 versions prior to 1.0.0.56 NETGEAR WNDR3700v4 versions prior to 1.0.2.96 NETGEAR WNDR4300 versions prior to 1.0.2.98 NETGEAR WNDR4300v2 versions prior to 1.0.0.50 NETGEAR WNDR4500v3 versions prior to 1.0.0.50

Description The issue is a buffer overflow that can be exploited by an unauthenticated attacker. This allows the attacker to potentially execute arbitrary code on the affected device.

Recommendations Update D3600 to version 1.0.0.67 or later Update D6000 to version 1.0.0.67 or later Update D6100 to version 1.0.0.56 or later Update D7800 to version 1.0.1.30 or later Update EX2700 to version 1.0.1.28 or later Update R6100 to version 1.0.1.20 or later Update R7500 to version 1.0.0.118 or later Update R7500v2 to version 1.0.3.24 or later Update R7800 to version 1.0.2.40 or later Update R9000 to version 1.0.2.52 or later Update WN2000RPTv3 to version 1.0.1.20 or later Update WN3000RPv3 to version 1.0.2.50 or later Update WN3100RPv2 to version 1.0.0.56 or later Update WNDR3700v4 to version 1.0.2.96 or later Update WNDR4300 to version 1.0.2.98 or later Update WNDR4300v2 to version 1.0.0.50 or later Update WNDR4500v3 to version 1.0.0.50 or later

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2018-21212

Affected Products

D3600

D6000

D6100

D7800

Ex2700

R6100

R7500

R7500V2

R7800

R9000

Wn2000Rptv3

Wn3000Rpv3

Wn3100Rpv2

Wndr3700V4

Wndr4300

Wndr4300V2

Wndr4500V3

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2018-21212 · Security Note
• https://kb.netgear.com/000055137/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2490 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-21212 · Vendor Advisory
• https://t.me/cvenotify/3336 · Telegram Post