PT-2021-5917 · NetGear · Netgear Xr500+2

Fr33Rh · Published 2021-12-20 · Updated 2022-01-05 · CVE-2021-45623

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 R7800 versions prior to 1.0.2.74 NETGEAR R9000 versions prior to 1.0.5.2 NETGEAR XR500 versions prior to 2.3.2.66

Description The issue is related to insufficient input validation, allowing an unauthenticated attacker to perform command injection. This can enable a remote attacker to execute arbitrary commands.

Recommendations For NETGEAR R7800 versions prior to 1.0.2.74, update to version 1.0.2.74 or later. For NETGEAR R9000 versions prior to 1.0.5.2, update to version 1.0.5.2 or later. For NETGEAR XR500 versions prior to 2.3.2.66, update to version 2.3.2.66 or later.

Fix

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2022-00432

CVE-2021-45623

Affected Products

Netgear R7800

Netgear R9000

Netgear Xr500

References · 4

• https://kb.netgear.com/000064449/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0203 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45623 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45623 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00432 · Security Note