Unrestricted File Upload Vulnerability in D-Link DNS-320
CVE-2026-16329

6.9MEDIUM

Key Information:

Vendor

D-link
Status
Dns-320
Vendor
CVE Published:
21 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16329?

A vulnerability has been discovered in the D-Link DNS-320 version 1.0.2, specifically in the file 'uploadify.php'. This security flaw allows for the manipulation of a malicious handler that could lead to unrestricted file uploads. Such an exploit can be triggered remotely, exposing the system to various potential risks. Publicly available exploits increase the urgency for users to secure their devices.

Affected Version(s)

DNS-320 1.0.2

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-2026-16329 - Proof of Concept

References

https://vuldb.com/vuln/380694
vdb-entrytechnical-description
https://vuldb.com/vuln/380694/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16329
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

red88-debug (VulDB User)
.