PT-2021-5878 · NetGear · Netgear Rbr750+4

Published 2021-09-26 · Updated 2022-01-04 · CVE-2021-45570

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 RBK752 versions prior to 3.2.16.6 NETGEAR RBR750 versions prior to 3.2.16.6 NETGEAR RBS750 versions prior to 3.2.16.6 NETGEAR RBK852 versions prior to 3.2.16.6 NETGEAR RBR850 versions prior to 3.2.16.6 NETGEAR RBS850 versions prior to 3.2.16.6

Description The issue is related to command injection by an authenticated user, which can be exploited to execute arbitrary commands. This is due to insufficient input validation in the affected devices.

Recommendations For NETGEAR RBK752 versions prior to 3.2.16.6, update to version 3.2.16.6 or later. For NETGEAR RBR750 versions prior to 3.2.16.6, update to version 3.2.16.6 or later. For NETGEAR RBS750 versions prior to 3.2.16.6, update to version 3.2.16.6 or later. For NETGEAR RBK852 versions prior to 3.2.16.6, update to version 3.2.16.6 or later. For NETGEAR RBR850 versions prior to 3.2.16.6, update to version 3.2.16.6 or later. For NETGEAR RBS850 versions prior to 3.2.16.6, update to version 3.2.16.6 or later.

Fix

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2022-00393

CVE-2021-45570

Affected Products

Netgear Rbk752

Netgear Rbk852

Netgear Rbr750

Netgear Rbr850

Netgear Rbs750

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-45570 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45570 · Vendor Advisory
• https://kb.netgear.com/000064092/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0078 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00393 · Security Note
• https://t.me/cibsecurity/34640 · Telegram Post