Vulnerability record · CVE-2026-91001 · published 15 September 2026

CVE-2026-91001: Memory buffer overflow vulnerability

A security flaw has been discovered in D-Link DI-8400 16.07. This affects the function ddns_asp of the file /ddns.asp of the component DDNS Configuration. Performing a manipulation of the argument serv/user/host/wild/mx/bmx/cust/ip results in stack-based buffer overflow. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.

8.6 CVSS 4.0 High EPSS 0.93% · top 40.9% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow Deferred

8.6CVSS 4.0 base score, v2 9.0

0.93%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

7References

15 Sep 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/ddns_asp/ddns_asp.py
https://github.com/Vivi-Xray/Xray-s-cve-/tree/main/ddns_asp
https://vuldb.com/cve/CVE-2026-91001
https://vuldb.com/submit/931642
https://vuldb.com/vuln/403582
https://vuldb.com/vuln/403582/cti
https://www.dlink.com/

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Source: NIST National Vulnerability Database (record CVE-2026-91001), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.