PT-2021-5959 · NetGear · Netgear R7000+12

Published 2021-12-21 · Updated 2022-01-07 · CVE-2021-45606

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions NETGEAR R6400 versions prior to 1.0.1.70 NETGEAR R7000 versions prior to 1.0.11.126 NETGEAR R7900 versions prior to 1.0.4.46 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 RS400 versions prior to 1.5.1.80 NETGEAR R6400v2 versions prior to 1.0.4.118 NETGEAR R7000P versions prior to 1.3.3.140 NETGEAR RAX80 versions prior to 1.0.4.120 NETGEAR R6700v3 versions prior to 1.0.4.118 NETGEAR R6900P versions prior to 1.3.3.140 NETGEAR RAX75 versions prior to 1.0.4.120

Description The issue is related to a stack-based buffer overflow that can be exploited by an authenticated user, potentially allowing a remote attacker to gain unauthorized access to protected information. This is due to a data recording issue beyond the buffer in memory.

Recommendations For NETGEAR R6400 versions prior to 1.0.1.70, update to version 1.0.1.70 or later. For NETGEAR R7000 versions prior to 1.0.11.126, update to version 1.0.11.126 or later. For NETGEAR R7900 versions prior to 1.0.4.46, update to version 1.0.4.46 or later. For NETGEAR R7900P versions prior to 1.4.2.84, update to version 1.4.2.84 or later. For NETGEAR R7960P versions prior to 1.4.2.84, update to version 1.4.2.84 or later. For NETGEAR R8000 versions prior to 1.0.4.74, update to version 1.0.4.74 or later. For NETGEAR R8000P versions prior to 1.4.2.84, update to version 1.4.2.84 or later. For NETGEAR RAX200 versions prior to 1.0.4.120, update to version 1.0.4.120 or later. For NETGEAR RS400 versions prior to 1.5.1.80, update to version 1.5.1.80 or later. For NETGEAR R6400v2 versions prior to 1.0.4.118, update to version 1.0.4.118 or later. For NETGEAR R7000P versions prior to 1.3.3.140, update to version 1.3.3.140 or later. For NETGEAR RAX80 versions prior to 1.0.4.120, update to version 1.0.4.120 or later. For NETGEAR R6700v3 versions prior to 1.0.4.118, update to version 1.0.4.118 or later. For NETGEAR R6900P versions prior to 1.3.3.140, update to version 1.3.3.140 or later. For NETGEAR RAX75 versions prior to 1.0.4.120, update to version 1.0.4.120 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2022-00477

CVE-2021-45606

Affected Products

Netgear R6400

Netgear R6400V2

Netgear R6700V3

Netgear R6900P

Netgear R7000

Netgear R7000P

Netgear R7900

Netgear R7960P

Netgear R8000

Netgear Rax200

Netgear Rax75

Netgear Rax80

Netgear Rs400

References · 5

• https://kb.netgear.com/000064498/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0499 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45606 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45606 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00477 · Security Note
• https://t.me/cvenotify/25113 · Telegram Post