Buffer Overflow Vulnerability in D-Link DI-8400 Web Administration Service
CVE-2026-101081

9.4CRITICAL

Key Information:

Vendor

D-link
Status
Di-8400
Vendor
CVE Published:
28 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-101081?

A vulnerability has been identified in the D-Link DI-8400's Web Administration Service, specifically affecting the menu_nat_more_asp function. This security flaw arises from a stack-based buffer overflow triggered by the manipulation of the 'opt' argument in the menu_nat_more.asp file. Attackers can exploit this vulnerability remotely, potentially leading to unauthorized control or data leakage. The exploit has been made public, raising serious concerns about the security of affected systems.

Affected Version(s)

DI-8400 16.07

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-101081 - Proof of Concept

References

https://vuldb.com/vuln/410953
vdb-entrytechnical-description
https://vuldb.com/vuln/410953/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-101081
third-party-advisory

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Xray (VulDB User)
.