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D-Link DI-8100 CVE-2026-7856

| EUVD-2026-27486 HIGH
Classic Buffer Overflow (CWE-120)
2026-05-05 VulDB
Buffer Overflow D-Link
7.3
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

3
Re-analysis Queued
May 05, 2026 - 20:22 vuln.today
cvss_changed
CVSS changed
May 05, 2026 - 20:22 NVD
7.2 (HIGH) 7.3 (HIGH)
Analysis Generated
May 05, 2026 - 20:00 vuln.today

DescriptionNVD

A flaw has been found in D-Link DI-8100 16.07.26A1. This affects an unknown part of the file /url_member.asp of the component Web Management Interface. Executing a manipulation of the argument Name can lead to buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.

AnalysisAI

Buffer overflow in D-Link DI-8100 router firmware 16.07.26A1 allows authenticated administrators to execute arbitrary code via crafted 'Name' parameter to /url_member.asp in the web management interface. Public exploit code exists on GitHub, demonstrating active proof-of-concept availability. …

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RemediationAI

Within 24 hours: inventory all D-Link DI-8100 routers in production and document current firmware versions. Within 7 days: implement network segmentation to restrict administrative access to management interfaces, require multi-factor authentication for admin accounts, and review access logs for suspicious administrative activity. …

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CVE-2026-7856 vulnerability details – vuln.today
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