PT-2020-8864 · NetGear · R7500+12

Published 2020-04-28 · Updated 2020-05-04 · CVE-2018-21220

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 D3600 versions 1.0.0.0 through 1.0.0.66 D6000 versions 1.0.0.0 through 1.0.0.66 D6100 versions 1.0.0.0 through 1.0.0.55 D7800 versions 1.0.0.0 through 1.0.1.29 R6100 versions 1.0.0.0 through 1.0.1.19 R7500 versions 1.0.0.0 through 1.0.0.117 R7500v2 versions 1.0.0.0 through 1.0.3.23 R9000 versions 1.0.0.0 through 1.0.2.51 WNDR3700v4 versions 1.0.0.0 through 1.0.2.95 WNDR4300 versions 1.0.0.0 through 1.0.2.97 WNDR4300v2 versions 1.0.0.0 through 1.0.0.49 WNDR4500v3 versions 1.0.0.0 through 1.0.0.49 WNR2000v5 versions 1.0.0.0 through 1.0.0.61

Description Certain NETGEAR devices are affected by a buffer overflow that can be exploited by an unauthenticated attacker.

Recommendations For D3600 versions 1.0.0.0 through 1.0.0.66, update to version 1.0.0.67 or later. For D6000 versions 1.0.0.0 through 1.0.0.66, update to version 1.0.0.67 or later. For D6100 versions 1.0.0.0 through 1.0.0.55, update to version 1.0.0.56 or later. For D7800 versions 1.0.0.0 through 1.0.1.29, update to version 1.0.1.30 or later. For R6100 versions 1.0.0.0 through 1.0.1.19, update to version 1.0.1.20 or later. For R7500 versions 1.0.0.0 through 1.0.0.117, update to version 1.0.0.118 or later. For R7500v2 versions 1.0.0.0 through 1.0.3.23, update to version 1.0.3.24 or later. For R9000 versions 1.0.0.0 through 1.0.2.51, update to version 1.0.2.52 or later. For WNDR3700v4 versions 1.0.0.0 through 1.0.2.95, update to version 1.0.2.96 or later. For WNDR4300 versions 1.0.0.0 through 1.0.2.97, update to version 1.0.2.98 or later. For WNDR4300v2 versions 1.0.0.0 through 1.0.0.49, update to version 1.0.0.50 or later. For WNDR4500v3 versions 1.0.0.0 through 1.0.0.49, update to version 1.0.0.50 or later. For WNR2000v5 versions 1.0.0.0 through 1.0.0.61, update to version 1.0.0.62 or later.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2018-21220

Affected Products

D3600

D6000

D6100

D7800

R6100

R7500

R7500V2

R9000

Wndr3700V4

Wndr4300

Wndr4300V2

Wndr4500V3

Wnr2000V5

References · 4

• https://osv.dev/vulnerability/CVE-2018-21220 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-21220 · Security Note
• https://kb.netgear.com/000055117/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2481 · Vendor Advisory
• https://t.me/cvenotify/3344 · Telegram Post