---
id: CVE-2026-91003
title: A flaw has been found in D-Link DI-8300 16.07
summary: >-
  A flaw has been found in D-Link DI-8300 16.07. The affected element is the
  function rzgl_asp of the file /rzgl.asp of the component CGI Service. This
  manipulation of the argument redirct_url causes stack-based buffer overflow.
  Remote exp…
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-121
vendor: D-Link
product: DI-8300
affected:
  - DI-8300 16.07
published: '2026-09-15'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T15:17:31.133'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-91003'
references:
  - url: 'https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.md'
    label: cna@vuldb.com
  - url: 'https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.py'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-91003'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/932002'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403586'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403586/cti'
    label: cna@vuldb.com
  - url: 'https://www.dlink.com/'
    label: cna@vuldb.com
  - url: 'https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.md'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00512
epssPercentile: 0.4247
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-15T14:05:18.585462Z'
ingestedAt: '2026-09-15T06:32:35.357Z'
---

## Overview

A flaw has been found in D-Link DI-8300 16.07. The affected element is the function rzgl_asp of the file /rzgl.asp of the component CGI Service. This manipulation of the argument redirct_url causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

## Remediation

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