PT-2020-8818 · NetGear · R9000+8

Mongo · Published 2020-04-27 · Updated 2020-05-05 · CVE-2018-21174

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions D6100 versions prior to 1.0.0.57 R7500 versions prior to 1.0.0.122 R7800 versions prior to 1.0.2.40 R9000 versions prior to 1.0.2.52 WNDR3700v4 versions prior to 1.0.2.92 WNDR4300 versions prior to 1.0.2.94 WNDR4300v2 versions prior to 1.0.0.50 WNDR4500v3 versions prior to 1.0.0.50 WNR2000v5 versions prior to 1.0.0.62

Description The issue is a stack-based buffer overflow that can be exploited by an authenticated user. This allows for potential unauthorized access or control.

Recommendations For D6100 version prior to 1.0.0.57, update to version 1.0.0.57 or later. For R7500 version prior to 1.0.0.122, update to version 1.0.0.122 or later. For R7800 version prior to 1.0.2.40, update to version 1.0.2.40 or later. For R9000 version prior to 1.0.2.52, update to version 1.0.2.52 or later. For WNDR3700v4 version prior to 1.0.2.92, update to version 1.0.2.92 or later. For WNDR4300 version prior to 1.0.2.94, update to version 1.0.2.94 or later. For WNDR4300v2 version prior to 1.0.0.50, update to version 1.0.0.50 or later. For WNDR4500v3 version prior to 1.0.0.50, update to version 1.0.0.50 or later. For WNR2000v5 version prior to 1.0.0.62, update to version 1.0.0.62 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2018-21174

Affected Products

D6100

R7500

R7800

R9000

Wndr3700V4

Wndr4300

Wndr4300V2

Wndr4500V3

Wnr2000V5

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2018-21174 · Security Note
• https://kb.netgear.com/000055184/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2625 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-21174 · Vendor Advisory
• https://t.me/cvenotify/3278 · Telegram Post