PT-2021-6204 · NetGear · Netgear Rbr850+8

Published 2021-12-22 · Updated 2022-01-06 · CVE-2021-45544

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions NETGEAR R7850 versions prior to 1.0.5.74 NETGEAR R7900P versions prior to 1.4.2.84 NETGEAR R7960P versions prior to 1.4.2.84 NETGEAR R8000 versions prior to 1.0.4.74 NETGEAR R8000P versions prior to 1.4.2.84 NETGEAR RAX200 versions prior to 1.0.4.120 NETGEAR RAX75 versions prior to 1.0.4.120 NETGEAR RAX80 versions prior to 1.0.4.120 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 the lack of input data sanitization in the embedded software of certain NETGEAR devices, which can allow a remote attacker to execute arbitrary commands. This can be exploited by an authenticated user through command injection.

Recommendations For NETGEAR R7850 version prior to 1.0.5.74, update to version 1.0.5.74 or later. For NETGEAR R7900P version prior to 1.4.2.84, update to version 1.4.2.84 or later. For NETGEAR R7960P version prior to 1.4.2.84, update to version 1.4.2.84 or later. For NETGEAR R8000 version prior to 1.0.4.74, update to version 1.0.4.74 or later. For NETGEAR R8000P version prior to 1.4.2.84, update to version 1.4.2.84 or later. For NETGEAR RAX200 version prior to 1.0.4.120, update to version 1.0.4.120 or later. For NETGEAR RAX75 version prior to 1.0.4.120, update to version 1.0.4.120 or later. For NETGEAR RAX80 version prior to 1.0.4.120, update to version 1.0.4.120 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

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2022-01120

CVE-2021-45544

Affected Products

Netgear R7850

Netgear R7900

Netgear R7960P

Netgear R8000

Netgear Rax200

Netgear Rax75

Netgear Rax80

Netgear Rbk852

Netgear Rbr850

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-45544 · Security Note
• https://bdu.fstec.ru/vul/2022-01120 · Security Note
• https://kb.netgear.com/000064518/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0556 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-45544 · Vendor Advisory