PT-2020-8866 · NetGear · R7500+11

Published 2020-04-28 · Updated 2020-05-04 · CVE-2018-21222

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 D7800 versions prior to 1.0.1.30 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 R9000 versions prior to 1.0.2.52 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 NETGEAR WNR2000v5 versions prior to 1.0.0.62

Description The issue is a buffer overflow that can be exploited by an unauthenticated attacker.

Recommendations For D3600, update to version 1.0.0.67 or later. For D6000, update to version 1.0.0.67 or later. For D7800, update to version 1.0.1.30 or later. For R6100, update to version 1.0.1.20 or later. For R7500, update to version 1.0.0.118 or later. For R7500v2, update to version 1.0.3.24 or later. For R9000, update to version 1.0.2.52 or later. For WNDR3700v4, update to version 1.0.2.96 or later. For WNDR4300, update to version 1.0.2.98 or later. For WNDR4300v2, update to version 1.0.0.50 or later. For WNDR4500v3, update to version 1.0.0.50 or later. For WNR2000v5, update to version 1.0.0.62 or later.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2018-21222

Affected Products

D3600

D6000

D7800

R6100

R7500

R7500V2

R9000

Wndr3700V4

Wndr4300

Wndr4300V2

Wndr4500V3

Wnr2000V5

References · 3

• https://osv.dev/vulnerability/CVE-2018-21222 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-21222 · Security Note
• https://kb.netgear.com/000055115/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2458 · Vendor Advisory