PT-2021-6229 · NetGear · Netgear Rbr750+4

Published 2021-09-26 · Updated 2022-01-05 · CVE-2021-45596

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

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 the lack of input data sanitization in the embedded software of certain NETGEAR devices, which can be exploited by an authenticated user to inject commands. 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 RBK752 versions prior to 3.2.17.12, update to version 3.2.17.12 or later. For NETGEAR RBR750 versions prior to 3.2.17.12, update to version 3.2.17.12 or later. For NETGEAR RBS750 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. 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:2022-01154

CVE-2021-45596

Affected Products

Netgear Rbr750

Netgear Rbk752

Netgear Rbk852

Netgear Rbr850

Netgear Rbs750

References · 5

• https://bdu.fstec.ru/vul/2022-01154 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-45596 · Security Note
• https://kb.netgear.com/000064140/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0516 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-45596 · Vendor Advisory
• https://t.me/cibsecurity/34646 · Telegram Post