PT-2021-5924 · NetGear · Netgear Rbr850+2

Published 2021-09-26 · Updated 2022-01-05 · CVE-2021-45627

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions NETGEAR CBR750 versions prior to 4.6.3.6 NETGEAR RBK852 versions prior to 3.2.17.12 NETGEAR RBR850 versions prior to 3.2.17.12 NETGEAR RBS850 versions prior to 3.2.17.12

Description The issue is related to command injection by an unauthenticated attacker due to insufficient input data cleaning. This allows a remote attacker to execute arbitrary commands.

Recommendations For NETGEAR CBR750 versions prior to 4.6.3.6, update to version 4.6.3.6 or later. For NETGEAR RBK852 versions prior to 3.2.17.12, update to version 3.2.17.12 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.

Fix

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2022-00439

CVE-2021-45627

Affected Products

Netgear Rbr750

Netgear Rbk852

Netgear Rbr850

References · 5

• https://kb.netgear.com/000064124/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0471 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00439 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-45627 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45627 · Vendor Advisory
• https://t.me/cvenotify/24941 · Telegram Post