PT-2021-5867 · NetGear · Rbs850+6

Published 2021-09-26 · Updated 2022-07-12 · CVE-2021-45503

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 authentication bypass in certain NETGEAR devices. This is due to shortcomings in the authentication mechanism, which can be exploited by a remote attacker to bypass security restrictions.

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

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2022-00382

CVE-2021-45503

Affected Products

Cbr750

Rbk752

Rbk852

Rbr750

Rbr850

Rbs750

Rbs850

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-45503 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45503 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00382 · Security Note
• https://kb.netgear.com/000064127/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0474 · Vendor Advisory
• https://t.me/cvenotify/24968 · Telegram Post