---
id: CVE-2025-45059
title: >-
  D-Link DI-8300 v16.07.26A1 was discovered to contain a buffer overflow via the
  fn parameter in the tgfile_htm function
summary: >-
  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.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-120
vendor: dlink
product: di-8300_firmware
affected:
  - di-8300_firmware = 16.07.26a1
published: '2026-04-08'
updated: '2026-07-25'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-45059'
references:
  - url: >-
      https://github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md
    label: cve@mitre.org
  - url: 'https://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DI-8300'
    label: cve@mitre.org
  - url: 'https://www.dlink.com/en/security-bulletin/'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00395
epssPercentile: 0.33483
ingestedAt: '2026-07-26T00:06:15.145Z'
---

## Overview

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.

## Affected

- `di-8300_firmware = 16.07.26a1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.