CVE-2026-16447 D-Link DNS-320 multi_uploadify.php unrestricted upload

Medium 6.9 Published Updated

Attackers can upload arbitrary files to the D-Link DNS-320 NAS via the multi_uploadify.php script, potentially leading to remote code execution.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-16447?

CVE-2026-16447 is a medium-severity vulnerability in D-Link DNS-320, published on 21 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

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.

Weakness: CWE-434, CWE-284

Which versions are affected by CVE-2026-16447?

How do I fix CVE-2026-16447?

No fix has been published for CVE-2026-16447 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-16447 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16447 exists.

Sources

Also known as GHSA-26m3-vrp2-m98f.

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