D-Link DNS-320 1.0.2 /web/web_file/upload.php File unrestricted upload

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6$0-$5k2.97

Summaryinfo

A vulnerability was found in D-Link DNS-320 1.0.2. It has been classified as critical. Impacted is an unknown function of the file /web/web_file/upload.php. The manipulation of the argument File leads to unrestricted upload. This vulnerability is listed as CVE-2026-16327. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in D-Link DNS-320 1.0.2. This issue affects an unknown code block of the file /web/web_file/upload.php. The manipulation of the argument file with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability.

The advisory is shared at ucn9h68n9289.feishu.cn. The identification of this vulnerability is CVE-2026-16327. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/20/2026). MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

The exploit is available at ucn9h68n9289.feishu.cn. It is declared as proof-of-concept. By approaching the search of inurl:web/web_file/upload.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/20/2026 Advisory disclosed
07/20/2026 +0 days VulDB entry created
07/20/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: ucn9h68n9289.feishu.cn
Status: Not defined

CVE: CVE-2026-16327 (🔒)
GCVE (CVE): GCVE-0-2026-16327
GCVE (VulDB): GCVE-100-380693
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/20/2026 19:55
Changes: 07/20/2026 19:55 (55)
Complete: 🔍
Submitter: bigbrother_man
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #858455: D-Link (Shanghai)Limited Corp. D-Link DNS320L 1.0.2 Unrestricted Upload of File with Dangerous Type (by bigbrother_man)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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