PT-2021-5887 · NetGear · Netgear R7450+16

Published 2021-08-27 · Updated 2024-09-21 · CVE-2021-45511

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions NETGEAR AC2100 versions prior to 2021-08-27 NETGEAR AC2400 versions prior to 2021-08-27 NETGEAR AC2600 versions prior to 2021-08-27 NETGEAR D7000 versions prior to 2021-08-27 NETGEAR R6220 versions prior to 2021-08-27 NETGEAR R6230 versions prior to 2021-08-27 NETGEAR R6260 versions prior to 2021-08-27 NETGEAR R6330 versions prior to 2021-08-27 NETGEAR R6350 versions prior to 2021-08-27 NETGEAR R6700v2 versions prior to 2021-08-27 NETGEAR R6800 versions prior to 2021-08-27 NETGEAR R6850 versions prior to 2021-08-27 NETGEAR R6900v2 versions prior to 2021-08-27 NETGEAR R7200 versions prior to 2021-08-27 NETGEAR R7350 versions prior to 2021-08-27 NETGEAR R7400 versions prior to 2021-08-27 NETGEAR R7450 versions prior to 2021-08-27

Description The issue is related to authentication bypass in NETGEAR devices, which can be exploited by a remote attacker to bypass security restrictions. This is due to deficiencies in the authentication mechanism.

Recommendations For NETGEAR AC2100 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR AC2400 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR AC2600 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR D7000 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R6220 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R6230 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R6260 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R6330 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R6350 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R6700v2 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R6800 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R6850 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R6900v2 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R7200 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R7350 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R7400 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27. For NETGEAR R7450 versions prior to 2021-08-27, update the firmware to a version released after 2021-08-27.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2022-00402

CVE-2021-45511

Affected Products

Netgear Ac2100

Netgear Ac2400

Netgear Ac2600

Netgear R7000

Netgear R6220

Netgear R6230

Netgear R6260

Netgear R6330

Netgear R6350

Netgear R6700V2

Netgear R6800

Netgear R6850

Netgear R6900V2

Netgear R7200

Netgear R7350

Netgear R7400

Netgear R7450

References · 6

• https://kb.netgear.com/000063961/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-the-D7000-and-Some-Routers-PSV-2021-0133 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00402 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-45511 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45511 · Vendor Advisory
• https://t.me/cibsecurity/34643 · Telegram Post
• https://twitter.com/rst_cloud/status/1837592431241400708 · Twitter Post