Is CVE-2026-91003 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-91003?

CVE-2026-91003 has a CVSS v3 severity of CRITICAL (9.1).

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CVE-2026-91003

Description

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.