CVE-2023-43864

HIGHNVD 7.57.5—Elevated

7.5

D-Link DIR-619L B1 2.02 is vulnerable to Buffer Overflow via formSetWAN_Wizard55 function.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 52.6%
KEV: Not listed

Published

September 28, 2023

Last Modified

June 17, 2026

References (4)

cve@mitrehttps://github.com/YTrick/vuln/blob/main/DIR-619L%20Buffer%20Overflow_1.md
cve@mitrehttps://www.dlink.com/en/security-bulletin/
af854a3a-2127-422b-91ae-364da2661108https://github.com/YTrick/vuln/blob/main/DIR-619L%20Buffer%20Overflow_1.md
af854a3a-2127-422b-91ae-364da2661108https://www.dlink.com/en/security-bulletin/

Weakness Classification(1)

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

CWE-787Out-of-bounds Write

Frequently asked(5)

What is CVE-2023-43864?

CVE-2023-43864 is a high vulnerability published on September 28, 2023. D-Link DIR-619L B1 2.02 is vulnerable to Buffer Overflow via formSetWAN_Wizard55 function.

When was CVE-2023-43864 disclosed?

CVE-2023-43864 was first published in the National Vulnerability Database on September 28, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-43864 actively exploited?

CVE-2023-43864 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 52.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-43864?

CVE-2023-43864 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-43864?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-43864, 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

Explore the affected products and dependency analysis for CVE-2023-43864

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CVE-2023-43864

📅 Published

🔄 Last Modified

🔗 References (4)