Critical 9.1Published Sep 15, 2026

CVE-2026-91003D-Link DI-8300 CGI Service rzgl.asp rzgl_asp stack-based overflow

Updated under an hour ago (2026-10-19 07:00 UTC)

Does this affect you?

It affects D-Link DI-8300. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for D-Link DI-8300

Exploited in the last 30 days

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.

CVSS: 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
Weakness (CWE): CWE-121, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Sep 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

D-Link DI-8300 d-link:di-8300	16.07	CNA record

References

https://vuldb.com/vuln/403586vdb-entry, technical-description
https://vuldb.com/vuln/403586/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-91003third-party-advisory
https://vuldb.com/submit/932002third-party-advisory
https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.mdrelated
https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.pyexploit
https://www.dlink.com/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.