PT-2021-5934 · NetGear · Netgear Rbr750+5

Published 2021-09-26 · Updated 2022-07-12 · CVE-2021-45508

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 CBR750 versions prior to 4.6.3.6 NETGEAR CBR40 versions prior to 2.5.0.24 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

Description The issue is related to weaknesses in the authentication mechanism of NETGEAR Wi-Fi routers. Exploitation of this issue may allow a remote attacker to bypass security restrictions.

Recommendations For NETGEAR CBR750 versions prior to 4.6.3.6, update to version 4.6.3.6 or later. For NETGEAR CBR40 versions prior to 2.5.0.24, update to version 2.5.0.24 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.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2022-00449

CVE-2021-45508

Affected Products

Netgear Cbr40

Netgear Rbr750

Netgear Rbk752

Netgear Rbk852

Netgear Rbr850

Netgear Rbs750

References · 4

• https://osv.dev/vulnerability/CVE-2021-45508 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45508 · Security Note
• https://bdu.fstec.ru/vul/2022-00449 · Security Note
• https://kb.netgear.com/000064133/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0490 · Vendor Advisory