CVE-2021-45679

HIGHNVD 8.47.2▼

8.4

Certain NETGEAR devices are affected by privilege escalation. This affects R6900P before 1.3.3.140, R7000 before 1.0.11.126, R7000P before 1.3.3.140, and RS400 before 1.5.1.80.

CVSS v3: 8.4
EG Score: 7.2(medium)
EPSS: 65.3%
KEV: Not listed

Published

December 26, 2021

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://kb.netgear.com/000064528/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-PSV-2021-0043
af854a3a-2127-422b-91ae-364da2661108https://kb.netgear.com/000064528/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-PSV-2021-0043

Weakness Classification(1)

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

CWE-269Improper Privilege Management

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.

2026-06-06 13:46 UTCepss_batch
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Frequently asked(5)

What is CVE-2021-45679?

CVE-2021-45679 is a high vulnerability published on December 26, 2021. Certain NETGEAR devices are affected by privilege escalation. This affects R6900P before 1.3.3.140, R7000 before 1.0.11.126, R7000P before 1.3.3.140, and RS400 before 1.5.1.80.

When was CVE-2021-45679 disclosed?

CVE-2021-45679 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-2021-45679 actively exploited?

CVE-2021-45679 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-45679?

CVE-2021-45679 has a CVSS v3 base score of 8.4 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.2.

How do I remediate CVE-2021-45679?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-45679, 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-2021-45679

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-45679?

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Published

Last Modified

References (2)

Frequently asked(5)

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