# CVE-2026-91003

## Summary

- **CVE ID:** CVE-2026-91003
- **Severity:** CRITICAL
- **CVSS Score:** 9.4 (CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P)
- **CWE:** CWE-121, CWE-119
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 15, 2026

## 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.

## Affected Products

- D-Link — DI-8300 (16.07)

## References

- [CNA](https://vuldb.com/vuln/403586)
- [CNA](https://vuldb.com/vuln/403586/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-91003)
- [CNA](https://vuldb.com/submit/932002)
- [CNA](https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.md)
- [CNA](https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.py)
- [CNA](https://www.dlink.com/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.51%
- **EPSS Percentile:** 42.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._