CVE Catalog

CVE-2026-91003

CriticalCVSS 9.1
Published: Translated: NVD NIST

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 CGI Service component. Manipulation of the argument redirct_url causes stack-based buffer overflow. Remote exploitation is possible, and the exploit has been published and may be used.

Risk Assessment

A remote attacker can exploit the buffer overflow to execute code or cause a device crash. Since the exploit is publicly available, the risk is high.

Recommendation

Update D-Link DI-8300 firmware to a version that fixes this vulnerability, or restrict access to the CGI interface. Also monitor for unusual requests to /rzgl.asp.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS