Buffer Overflow Vulnerability in D-Link DIR-825 Router
CVE-2026-7069

8.6HIGH

Key Information:

Vendor

D-link
Status
Dir-825
Vendor
CVE Published:
27 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7069?

A security flaw has been identified in the D-Link DIR-825 router, specifically impacting the AddPortMapping function within the miniupnpd component's upnpsoap.c file. This vulnerability allows for a buffer overflow through manipulation of the NewPortMappingDescription argument. Exploitation of this flaw requires access to the local network, and the exploit has been made public, raising concerns about potential attacks. It is crucial to note that this vulnerability primarily affects unsupported versions of the product, highlighting the importance of keeping devices updated.

Affected Version(s)

DIR-825 3.00b32

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-2026-7069 - Proof of Concept

References

https://vuldb.com/vuln/359644
vdb-entrytechnical-description
https://vuldb.com/vuln/359644/cti
signaturepermissions-required
https://vuldb.com/submit/798647
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent 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

tian (VulDB User)
.