CVE-2022-40623

HIGHNVD 8.88.8—

8.8

The WAVLINK Quantum D4G (WN531G3) running firmware version M31G3.V5030.200325 does not utilize anti-CSRF tokens, which, when combined with other issues (such as CVE-2022-35518), can lead to remote, unauthenticated command execution.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 53.0%
KEV: Not listed

Published

September 13, 2022

Last Modified

November 21, 2024

References (2)

cve@rapid7https://youtu.be/cSileV8YbsQ?t=1028
af854a3a-2127-422b-91ae-364da2661108https://youtu.be/cSileV8YbsQ?t=1028

Weakness Classification(1)

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

CWE-352Cross-Site Request Forgery (CSRF)

Data Freshness Timeline

(refreshed 13× 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.

2026-06-08 14:15 UTCepss_batch
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2026-06-06 13:46 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2022-40623?

CVE-2022-40623 is a high vulnerability published on September 13, 2022. The WAVLINK Quantum D4G (WN531G3) running firmware version M31G3.V5030.200325 does not utilize anti-CSRF tokens, which, when combined with other issues (such as CVE-2022-35518), can lead to remote, unauthenticated command execution.

When was CVE-2022-40623 disclosed?

CVE-2022-40623 was first published in the National Vulnerability Database on September 13, 2022, 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-2022-40623 actively exploited?

CVE-2022-40623 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-40623?

CVE-2022-40623 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2022-40623?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-40623, 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.

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CVE-2022-40623

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-40623?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)