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CVE-2026-16327— D-Link DNS-320 upload.php unrestricted upload

Quick assessment

Affected
D-Link DNS-320
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

D-Link DNS-320是中国D-Link公司的网络存储设备。 D-Link DNS-320 1.0.2版本存在安全漏洞，该漏洞源于对文件/web/web_file/upload.php中参数File的操作，可能导致任意文件上传。

CVSS 7.3 · High EPSS 1.57% · P75

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell

Affected Version Matrix 1

VendorProduct Version RangeStatus
D-Link DNS-320 1.0.2 affected
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I. Basic Information for CVE-2026-16327

Vulnerability Information
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Vulnerability Title
D-Link DNS-320 upload.php unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DNS-320 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DNS-320是中国D-Link公司的网络存储设备。 D-Link DNS-320 1.0.2版本存在安全漏洞，该漏洞源于对文件/web/web_file/upload.php中参数File的操作，可能导致任意文件上传。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
D-Link DNS-320 1.0.2 cpe:2.3:h:d-link:dns-320:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-16327

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III. Intelligence Information for CVE-2026-16327

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Vendor Pages for CVE-2026-16327 (1)

Other References for CVE-2026-16327 (1)

IV. Related Vulnerabilities

Same product: DNS-320
Same vendor: D-Link
Same weakness: CWE-434

V. Comments for CVE-2026-16327

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