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Vulnerability record · CVE-2025-45059 · published 8 April 2026

CVE-2025-45059: Dlink di-8300 firmware classic buffer overflow vulnerability

Dlink · Di 8300 Firmware

D-Link DI-8300 v16.07.26A1 was discovered to contain a buffer overflow via the fn parameter in the tgfile_htm function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

7.5 CVSS 3.1 High EPSS 0.40% · top 68.9% CWE-120 · Classic buffer overflow
7.5CVSS 3.1 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
25 Jul 2026Last modified by NVD

Description

D-Link DI-8300 v16.07.26A1 was discovered to contain a buffer overflow via the fn parameter in the tgfile_htm function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md Third Party Advisory
https://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DI-8300 Product
https://www.dlink.com/en/security-bulletin/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-45059), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.