PT-2021-5877 · NetGear · Netgear Rbr750+4

Published 2021-12-22 · Updated 2022-01-05 · CVE-2021-45615

Positive Technologies (AI Summary)

CVSS v3.1

9.6

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions NETGEAR CBR750 versions prior to 4.6.3.6 NETGEAR RBK752 versions prior to 3.2.17.12 NETGEAR RBR750 versions prior to 3.2.17.12 NETGEAR RBS750 versions prior to 3.2.17.12 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 insufficient input data cleansing in the embedded software of certain NETGEAR Wi-Fi routers, allowing a remote attacker to execute arbitrary commands. This can be achieved through command injection by an unauthenticated attacker.

Recommendations For NETGEAR CBR750 version prior to 4.6.3.6, update to version 4.6.3.6 or later. For NETGEAR RBK752 version prior to 3.2.17.12, update to version 3.2.17.12 or later. For NETGEAR RBR750 version prior to 3.2.17.12, update to version 3.2.17.12 or later. For NETGEAR RBS750 version prior to 3.2.17.12, update to version 3.2.17.12 or later. For NETGEAR RBK852 version prior to 3.2.17.12, update to version 3.2.17.12 or later. For NETGEAR RBR850 version prior to 3.2.17.12, update to version 3.2.17.12 or later. For NETGEAR RBS850 version 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:2022-00392

CVE-2021-45615

Affected Products

Netgear Rbr750

Netgear Rbk752

Netgear Rbk852

Netgear Rbr850

Netgear Rbs750

References · 4

• https://bdu.fstec.ru/vul/2022-00392 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-45615 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45615 · Vendor Advisory
• https://kb.netgear.com/000064514/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0521 · Vendor Advisory