CVE-2026-91001

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.

Score

CVSS 3.1 9.9 Critical

Status

Deferred - cna@vuldb.com

Published

2026-09-15

Last modified

2026-09-15

Weaknesses

CWE-119, CWE-121

Affected products

• Di-8400 (D-link)

References

• 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/