PT-2021-5936 · NetGear · Netgear Rbk852+3

Published 2021-09-26 · Updated 2022-07-12 · CVE-2021-45504

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 CBR40 versions prior to 2.5.0.24 NETGEAR CBR750 versions prior to 4.6.3.6 NETGEAR RBR852 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 authentication bypass in certain NETGEAR devices. This is due to weaknesses in the authentication mechanism, which can be exploited by a remote attacker to bypass security restrictions.

Recommendations For CBR40 versions prior to 2.5.0.24, update to version 2.5.0.24 or later. For CBR750 versions prior to 4.6.3.6, update to version 4.6.3.6 or later. For RBR852 versions prior to 3.2.17.12, update to version 3.2.17.12 or later. For RBR850 versions prior to 3.2.17.12, update to version 3.2.17.12 or later. For RBS850 versions prior to 3.2.17.12, update to version 3.2.17.12 or later.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2022-00451

CVE-2021-45504

Affected Products

Netgear Cbr40

Netgear Rbr750

Netgear Rbr850

Netgear Rbk852

References · 5

• https://bdu.fstec.ru/vul/2022-00451 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45504 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45504 · Security Note
• https://kb.netgear.com/000064128/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0475 · Vendor Advisory
• https://t.me/cvenotify/24952 · Telegram Post