PT-2021-5910 · NetGear · Netgear Rbk852+3

Published 2021-09-26 · Updated 2022-01-05 · CVE-2021-45598

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions NETGEAR CBR40 versions prior to 2.5.0.24 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 authenticated user due to a lack of input data sanitization in the embedded software of certain NETGEAR Wi-Fi routers. This allows a remote attacker to execute arbitrary commands.

Recommendations For NETGEAR CBR40 versions prior to 2.5.0.24, update to version 2.5.0.24 or later. 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:2022-00425

CVE-2021-45598

Affected Products

Netgear Cbr40

Netgear Rbr750

Netgear Rbk852

Netgear Rbr850

References · 4

• https://kb.netgear.com/000064144/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0544 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45598 · Security Note
• https://bdu.fstec.ru/vul/2022-00425 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45598 · Vendor Advisory