CVE-2021-45553

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-26 · updated 2026-06-17
Weakness: CWE-77

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7000 before 1.0.11.126, R6900P before 1.3.2.126, and R7000P before 1.3.2.126.

Affected products

NETGEAR R6900P Firmware: before 1.3.2.126 — fixed in 1.3.2.126
NETGEAR R7000: before 1.0.11.126 — fixed in 1.0.11.126
NETGEAR R7000P: before 1.3.2.126 — fixed in 1.3.2.126

How to fix

Upgrade to a fixed version: NETGEAR R6900P Firmware 1.3.2.126; NETGEAR R7000 1.0.11.126; NETGEAR R7000P 1.3.2.126. Check the vendor advisory for mitigations.

References

https://kb.netgear.com/000064074/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0225
https://kb.netgear.com/000064074/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0225

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