PT-2020-8790 · NetGear · Netgear R7800+4

Aircut · Published 2020-04-21 · Updated 2020-04-23 · CVE-2018-21146

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions NETGEAR D7800 versions prior to 1.0.1.34 NETGEAR R7800 versions prior to 1.0.2.42 NETGEAR R8900 versions prior to 1.0.3.10 NETGEAR R9000 versions prior to 1.0.3.10 NETGEAR WNDR4300v2 versions prior to 1.0.0.54 NETGEAR WNDR4500v3 versions prior to 1.0.0.54

Description The issue affects certain NETGEAR devices, allowing command injection by an authenticated user.

Recommendations For NETGEAR D7800 versions prior to 1.0.1.34, update to version 1.0.1.34 or later. For NETGEAR R7800 versions prior to 1.0.2.42, update to version 1.0.2.42 or later. For NETGEAR R8900 versions prior to 1.0.3.10, update to version 1.0.3.10 or later. For NETGEAR R9000 versions prior to 1.0.3.10, update to version 1.0.3.10 or later. For NETGEAR WNDR4300v2 versions prior to 1.0.0.54, update to version 1.0.0.54 or later. For NETGEAR WNDR4500v3 versions prior to 1.0.0.54, update to version 1.0.0.54 or later.

Fix

Special Elements Injection

Weakness Enumeration

CWE-74

Related Identifiers

CVE-2018-21146

Affected Products

Netgear R7800

Netgear R8900

Netgear R9000

Netgear Wndr4300V2

Netgear Wndr4500V3

References · 4

• https://kb.netgear.com/000059487/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Gateways-and-Routers-PSV-2017-3159 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-21146 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-21146 · Security Note
• https://t.me/cvenotify/3003 · Telegram Post