CVE-2026-16327: Unrestricted Upload in D-Link DNS-320
A vulnerability was determined in D-Link DNS-320 1.0.2. This issue affects some unknown processing of the file /web/web_file/upload.php. Executing a manipulation of the argument File can lead to unrestricted upload. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.
AI Analysis
Technical Summary
The D-Link DNS-320 device running firmware version 1.0.2 contains a vulnerability in the file upload functionality at /web/web_file/upload.php. By manipulating the File argument, an attacker can perform an unrestricted upload of files remotely. This could potentially allow unauthorized files to be placed on the device. The vulnerability has a CVSS 4.0 base score of 6.9 (medium severity) with network attack vector, no privileges or user interaction required, and partial impact on confidentiality, integrity, and availability. No vendor advisory or patch information is provided, and the remediation level is unknown.
Potential Impact
Successful exploitation allows remote attackers to upload arbitrary files to the device without restrictions. This could lead to unauthorized file placement, potentially enabling further compromise or disruption of the device's operation. The impact is rated medium based on the CVSS score and partial impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the device's management interface and monitor for suspicious activity related to file uploads.
CVE-2026-16327: Unrestricted Upload in D-Link DNS-320
Description
A vulnerability was determined in D-Link DNS-320 1.0.2. This issue affects some unknown processing of the file /web/web_file/upload.php. Executing a manipulation of the argument File can lead to unrestricted upload. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.
CVSS v4.0
Score 6.9medium
Affected software
cpe:2.3:h:d-link:dns-320:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The D-Link DNS-320 device running firmware version 1.0.2 contains a vulnerability in the file upload functionality at /web/web_file/upload.php. By manipulating the File argument, an attacker can perform an unrestricted upload of files remotely. This could potentially allow unauthorized files to be placed on the device. The vulnerability has a CVSS 4.0 base score of 6.9 (medium severity) with network attack vector, no privileges or user interaction required, and partial impact on confidentiality, integrity, and availability. No vendor advisory or patch information is provided, and the remediation level is unknown.
Potential Impact
Successful exploitation allows remote attackers to upload arbitrary files to the device without restrictions. This could lead to unauthorized file placement, potentially enabling further compromise or disruption of the device's operation. The impact is rated medium based on the CVSS score and partial impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the device's management interface and monitor for suspicious activity related to file uploads.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-07-20T17:50:18.490Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5eb96f2a4a8d5989fe9323
Added to database: 07/21/2026, 00:12:31 UTC
Last enriched: 07/21/2026, 00:26:38 UTC
Last updated: 09/03/2026, 10:52:07 UTC
Views: 86
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.