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CVE-2026-91003

D-Link DI-8300 CGI Service rzgl.asp rzgl_asp stack-based overflow

CVSS 4.0 9.4 CRITICALCVSS 3.1 9.1 CRITICALCVSS 3.0 9.1 CRITICALCVSS 2.0 8.3 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-91003

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-91003

Published

DI-8300

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "D-Link",
                    "product": "DI-8300",
                    "versions": [
                        {
                            "version": "16.07",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:h:d-link:di-8300:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "CGI Service"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON