D-Link DNS-320 1.0.2 uploadify.php unrestricted upload

Summaryinfo

A vulnerability categorized as critical has been discovered in D-Link DNS-320 1.0.2. This affects an unknown function of the file /web/jquery/uploader/uploadify.php. Such manipulation of the argument https:/ucn9h68n9289.feishu.cn/wiki/JJcTwHz7aiKeq6kSItMcoeSUnMc?from=from_copylink leads to unrestricted upload. This vulnerability is documented as CVE-2026-16330. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in D-Link DNS-320 1.0.2 and classified as critical. Affected by this issue is an unknown functionality of the file /web/jquery/uploader/uploadify.php. The manipulation of the argument https:/ucn9h68n9289.feishu.cn/wiki/JJcTwHz7aiKeq6kSItMcoeSUnMc?from=from_copylink 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 for download at ucn9h68n9289.feishu.cn. This vulnerability is handled as CVE-2026-16330. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/21/2026). The MITRE ATT&CK project declares the attack technique as T1608.002.

The exploit is available at ucn9h68n9289.feishu.cn. It is declared as proof-of-concept. By approaching the search of inurl:web/jquery/uploader/uploadify.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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-46137). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• D-Link

Name

• DNS-320

Version

• 1.0.2

License

• commercial

Website

• Vendor: https://www.dlink.com/

CPE 2.3info

• 🔒

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Submitinfo

Accepted

• Submit #858463: D-Link (Shanghai)Limited Corp. D-Link DNS32 1.0.2 CWE-434 (Unrestricted Upload of File with Dangerous Type) (by ucn9h68n9289.feishu.cn)

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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