PT-2021-6254 · NetGear · Netgear R7000+8

R00T3R · Published 2021-09-25 · Updated 2022-01-06 · CVE-2021-45528

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 R6300v2 versions prior to 1.0.4.52 NETGEAR R6400 versions prior to 1.0.1.52 NETGEAR R6900 versions prior to 1.0.2.8 NETGEAR R7000 versions prior to 1.0.9.88 NETGEAR R7900 versions prior to 1.0.3.18 NETGEAR R8000 versions prior to 1.0.4.46 NETGEAR R7900P versions prior to 1.4.1.50 NETGEAR R8000P versions prior to 1.4.1.50 NETGEAR RAX75 versions prior to 1.0.3.88 NETGEAR RAX80 versions prior to 1.0.3.88 NETGEAR WNR3500Lv2 versions prior to 1.2.0.62

Description The issue is caused by a buffer overflow that can be exploited by an authenticated user, potentially allowing a remote attacker to impact the confidentiality, integrity, and availability of protected information.

Recommendations For NETGEAR R6300v2 version prior to 1.0.4.52, update to version 1.0.4.52 or later. For NETGEAR R6400 version prior to 1.0.1.52, update to version 1.0.1.52 or later. For NETGEAR R6900 version prior to 1.0.2.8, update to version 1.0.2.8 or later. For NETGEAR R7000 version prior to 1.0.9.88, update to version 1.0.9.88 or later. For NETGEAR R7900 version prior to 1.0.3.18, update to version 1.0.3.18 or later. For NETGEAR R8000 version prior to 1.0.4.46, update to version 1.0.4.46 or later. For NETGEAR R7900P version prior to 1.4.1.50, update to version 1.4.1.50 or later. For NETGEAR R8000P version prior to 1.4.1.50, update to version 1.4.1.50 or later. For NETGEAR RAX75 version prior to 1.0.3.88, update to version 1.0.3.88 or later. For NETGEAR RAX80 version prior to 1.0.3.88, update to version 1.0.3.88 or later. For NETGEAR WNR3500Lv2 version prior to 1.2.0.62, update to version 1.2.0.62 or later.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2022-01192

CVE-2021-45528

Affected Products

Netgear R6300V2

Netgear R6400

Netgear R6900P

Netgear R7000

Netgear R7900

Netgear R8000

Netgear Rax75

Netgear Rax80

Netgear Wnr3500Lv2

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-45528 · Security Note
• https://bdu.fstec.ru/vul/2022-01192 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45528 · Vendor Advisory
• https://kb.netgear.com/000064057/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0069 · Vendor Advisory
• https://t.me/cvenotify/25051 · Telegram Post
• https://t.me/cibsecurity/34630 · Telegram Post