Critical severity · published Sep 15, 2026
CVE-2026-91003
D-Link DI-8300 CGI Service rzgl.asp rzgl_asp stack-based overflow
9.1
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DI-8300 · D-Link
16.07 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91003
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91003
github.com
https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.md
github.com
https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.py
vuldb.com
https://vuldb.com/cve/CVE-2026-91003
vuldb.com
https://vuldb.com/submit/932002
vuldb.com
https://vuldb.com/vuln/403586
vuldb.com
https://vuldb.com/vuln/403586/cti
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