CVE-2023-43203

CRITICALNVD 9.89.8—

9.8

D-LINK DWL-6610 FW_v_4.3.0.8B003C was discovered to contain a stack overflow vulnerability in the function update_users.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 63.6%
KEV: Not listed

Published

September 20, 2023

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://github.com/Archerber/bug_submit/blob/main/D-Link/DWL-6610/bug1.md
af854a3a-2127-422b-91ae-364da2661108https://github.com/Archerber/bug_submit/blob/main/D-Link/DWL-6610/bug1.md

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 12× 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.

2026-06-04 13:11 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-43203?

CVE-2023-43203 is a critical vulnerability published on September 20, 2023. D-LINK DWL-6610 FWv4.3.0.8B003C was discovered to contain a stack overflow vulnerability in the function update_users.

When was CVE-2023-43203 disclosed?

CVE-2023-43203 was first published in the National Vulnerability Database on September 20, 2023, 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-2023-43203 actively exploited?

CVE-2023-43203 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-43203?

CVE-2023-43203 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-43203?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-43203, 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-2023-43203

📅 Published

🔄 Last Modified

🔗 References (2)