CVE-2021-45500

CRITICALNVD 9.68.8▼

9.6

Certain NETGEAR devices are affected by authentication bypass. This affects R7000P before 1.3.3.140 and R8000 before 1.0.4.68.

CVSS v3: 9.6
EG Score: 8.8(medium)
EPSS: 29.7%
KEV: Not listed

Published

December 26, 2021

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://kb.netgear.com/000064070/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2019-0183
af854a3a-2127-422b-91ae-364da2661108https://kb.netgear.com/000064070/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2019-0183

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-287Improper Authentication

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2021-45500?

CVE-2021-45500 is a critical vulnerability published on December 26, 2021. Certain NETGEAR devices are affected by authentication bypass. This affects R7000P before 1.3.3.140 and R8000 before 1.0.4.68.

When was CVE-2021-45500 disclosed?

CVE-2021-45500 was first published in the National Vulnerability Database on December 26, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-45500 actively exploited?

CVE-2021-45500 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-45500?

CVE-2021-45500 has a CVSS v3 base score of 9.6 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.8.

How do I remediate CVE-2021-45500?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-45500, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-45500

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-45500?

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Published

Last Modified

References (2)

Frequently asked(5)

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