Is CVE-2021-45511 actively exploited?

Yes. CVE-2021-45511 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-45511 be exploited remotely?

The attack vector of CVE-2021-45511 has not been classified yet.

What is the CVSS score of CVE-2021-45511?

CVE-2021-45511 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-45511

UNKNOWNCISA KEVIN THE WILD

CVE-2021-45511

Published: April 11, 2026

EPSS:48.00%probability of exploitation in 30 daysPercentile:97.7th

Official Description

Certain NETGEAR devices are affected by authentication bypass. This affects AC2100 before 2021-08-27, AC2400 before 2021-08-27, AC2600 before 2021-08-27, D7000 before 2021-08-27, R6220 before 2021-08-27, R6230 before 2021-08-27, R6260 before 2021-08-27, R6330 before 2021-08-27, R6350 before 2021-08-27, R6700v2 before 2021-08-27, R6800 before 2021-08-27, R6850 before 2021-08-27, R6900v2 before 2021-08-27, R7200 before 2021-08-27, R7350 before 2021-08-27, R7400 before 2021-08-27, and R7450 before 2021-08-27.

NVD Source

Technical Analysis

CVE-2021-45511 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-45511 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.