CVE-2021-45623

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 26, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-456249.8Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D7000v2 before 1.0.0.66, D8500 beforeCVE-2021-456259.8Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects XR300 before 1.0.3.68, R7000P before CVE-2021-456268.8Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBK20 before 2.6.1.36, RBR20 before 2CVE-2021-456279.8Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK852 before CVE-2021-456288.8Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before CVE-2021-456298.8Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK752 before CVE-2021-456309.8Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before CVE-2021-456318.8Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before CVE-2021-456328.8Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK752 before CVE-2021-456338.8Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBR750 before CVE-2021-456348.8Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK752 before CVE-2021-456358.8Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK752 before
CVE-2021-45623: Critical severity, CVSS 9.8 | Vulnix