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5.5
CVE-2026-16330: D-Link DNS-320 allows attackers to upload files
CVE-2026-16330
CVE-2026-16330
Summary
An unknown function in the D-Link DNS-320's uploadify.php file allows attackers to upload files without restrictions. This could allow attackers to install malware or take control of the device. Update the device to the latest version to fix this issue.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| d-link | dns-320 | 1.0.2 |
Original title
D-Link DNS-320 uploadify.php unrestricted upload
Original description
A weakness has been identified in D-Link DNS-320 1.0.2. The impacted element is an unknown function of the file /web/jquery/uploader/uploadify.php. This manipulation of the argument https:/ucn9h68n9289.feishu.cn/wiki/JJcTwHz7aiKeq6kSItMcoeSUnMc?from=from_copylink causes unrestricted upload. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.
mitre CVSS3.1
7.3
Vulnerability type
CWE-434
Unrestricted File Upload
CWE-284
Improper Access Control
- https://vuldb.com/vuln/380696 vdb-entry technical-description
- https://vuldb.com/vuln/380696/cti signature permissions-required
- https://vuldb.com/cve/CVE-2026-16330 third-party-advisory
- https://vuldb.com/submit/858463 third-party-advisory
- https://ucn9h68n9289.feishu.cn/docx/EkMxdLlavojfsXxzKXec5yUknEg?from=from_copyli... exploit
- https://www.dlink.com/ product
Published: 21 Jul 2026 · Updated: 21 Jul 2026 · First seen: 21 Jul 2026