by Kastro
Paper/Archive/CVE-2026-91001

CVE-2026-91001

D-Link DI-8400 — D-Link DI-8400 DDNS Configuration ddns.asp ddns_asp stack-based overflow

EPSS 0.9%public exploitCVSS 9.9
critical.is priorityof 100
52
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 60.6.606 × 2012.1Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
DI-840016.07–CNA

Scores by source

VulDB (CNA)9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.9CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.4CVSS: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
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

writeupvuldb.com/vuln/403582refvuldb.com/vuln/403582/ctiwriteupvuldb.com/cve/CVE-2026-91001writeupvuldb.com/submit/931642refgithub.com/Vivi-Xray/Xray-s-cve-/tree/main/ddns_aspexploitgithub.com/Vivi-Xray/Xray-s-cve-/blob/main/ddns_asp/ddns_asp.pyrefdlink.com