Vulnerability · Published Jul 21, 2026 · Assigned by VulDB
CVE-2026-16447D-Link DNS-320 multi_uploadify.php unrestricted upload
High 7.3
In plain English
A high-severity unrestricted file upload in DNS-320 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)1.6%top 24.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability has been found in D-Link DNS-320 1.0.2. Impacted is an unknown function of the file /web/jquery/uploader/multi_uploadify.php. The manipulation of the argument Filedata[] leads to unrestricted upload. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Affected products (as reported)
Weakness: CWE-434, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-380826 | D-Link DNS-320 multi_uploadify.php unrestricted upload vdb-entry, technical-description
- VDB-380826 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-16447 | CVE Analysis and Report third-party-advisory
- Submit #858466 | D-Link (Shanghai)Limited Corp. D-Link DNS32 1.0.2 CWE-434 (Unrestricted Upload of File with Dangerous Type) third-party-advisory
- https://ucn9h68n9289.feishu.cn/docx/KttYdnLfzotGUSxx7p3cbaornPd?from=from_copylink exploit
- https://www.dlink.com/ product