PT-2021-6206 · NetGear · Netgear R8000+4

Published 2021-12-22 · Updated 2022-01-06 · CVE-2021-45543

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions NETGEAR R8000 versions prior to 1.0.4.74 NETGEAR RAX200 versions prior to 1.0.4.120 NETGEAR R8000P versions prior to 1.4.2.84 NETGEAR R7900P versions prior to 1.4.2.84 NETGEAR RBR850 versions prior to 3.2.17.12 NETGEAR RBS850 versions prior to 3.2.17.12 NETGEAR RBK852 versions prior to 3.2.17.12

Description The issue is related to command injection by an authenticated user due to a lack of input data sanitization. This allows a remote attacker to execute arbitrary commands.

Recommendations For NETGEAR R8000 versions prior to 1.0.4.74, update to version 1.0.4.74 or later. For NETGEAR RAX200 versions prior to 1.0.4.120, update to version 1.0.4.120 or later. For NETGEAR R8000P versions prior to 1.4.2.84, update to version 1.4.2.84 or later. For NETGEAR R7900P versions prior to 1.4.2.84, update to version 1.4.2.84 or later. For NETGEAR RBR850 versions prior to 3.2.17.12, update to version 3.2.17.12 or later. For NETGEAR RBS850 versions prior to 3.2.17.12, update to version 3.2.17.12 or later. For NETGEAR RBK852 versions prior to 3.2.17.12, update to version 3.2.17.12 or later.

Fix

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2022-01122

CVE-2021-45543

Affected Products

Netgear R7900

Netgear R8000

Netgear Rax200

Netgear Rbk852

Netgear Rbr850

References · 5

• https://kb.netgear.com/000064517/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0541 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45543 · Security Note
• https://bdu.fstec.ru/vul/2022-01122 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45543 · Vendor Advisory
• https://t.me/cvenotify/25028 · Telegram Post