CVE-2026-91001

8.6 highEPSS 0.9%

High (8.6). EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.6 high

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

CVSS 3.1

9.9 critical

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWEs: CWE-119, CWE-121
Published: 2026-09-15
Modified: 2026-09-15
Record from: the NVD, synced 2026-10-19

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

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