CVE-2022-46422

MEDIUMNVD 4.84.8—

4.8

An issue in Netgear WNR2000 v1 1.2.3.7 and earlier allows authenticated attackers to cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.

CVSS v3: 4.8
EG Score: 4.8(medium)
EPSS: 30.3%
KEV: Not listed

Published

December 20, 2022

Last Modified

April 17, 2025

References (4)

cve@mitrehttps://hackmd.io/%40slASVrz_SrW7NQCsunofeA/B1bFKBWwi
cve@mitrehttps://www.netgear.com/about/security/
af854a3a-2127-422b-91ae-364da2661108https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/B1bFKBWwi
af854a3a-2127-422b-91ae-364da2661108https://www.netgear.com/about/security/

Weakness Classification(1)

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

CWE-345Insufficient Verification of Data Authenticity

Data Freshness Timeline

(refreshed 11× 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.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
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2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 10:10 UTCEG score recompute

Frequently asked(5)

What is CVE-2022-46422?

CVE-2022-46422 is a medium vulnerability published on December 20, 2022. An issue in Netgear WNR2000 v1 1.2.3.7 and earlier allows authenticated attackers to cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.

When was CVE-2022-46422 disclosed?

CVE-2022-46422 was first published in the National Vulnerability Database on December 20, 2022, with the most recent update on April 17, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-46422 actively exploited?

CVE-2022-46422 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-46422?

CVE-2022-46422 has a CVSS v3 base score of 4.8 (NVD).

How do I remediate CVE-2022-46422?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-46422, 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-2022-46422

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-46422?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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