CVE-2026-16447 D-Link CVE debrief

Who should care

Users of D-Link DNS-320 1.0.2, operators, and security teams should be aware of this vulnerability and take necessary precautions to protect their systems. They should confirm whether affected product deployments exist in managed environments and assign an owner for follow-up. Reviewing the supplied official advisory or CVE record is recommended to validate affected scope, severity, and vendor guidance.

Technical summary

The vulnerability is caused by an unknown function in the file /web/jquery/uploader/multi_uploadify.php of D-Link DNS-320 1.0.2. The manipulation of the argument Filedata[] allows for unrestricted upload, enabling remote exploitation. The CVSS score of 5.5 indicates a MEDIUM severity vulnerability. Users should review compensating controls for exposed systems while remediation is scheduled and verified.

Defensive priority

Medium priority due to the CVSS score of 5.5 and the potential for remote exploitation.

Recommended defensive actions

• Apply patches or updates provided by the vendor, if available.
• Restrict access to the affected file /web/jquery/uploader/multi_uploadify.php.
• Monitor for suspicious activity and implement compensating controls.
• Consider replacing the affected system if patches are not available.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Evidence notes

The CVE record was published on 2026-07-21T14:16:33.650Z and was last modified on 2026-07-22T15:16:53.293Z. The NVD entry is currently Deferred. The vulnerability has been found in D-Link DNS-320 1.0.2 and the impact is related to 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. Users should verify the affected product deployments in their managed environments and review official advisories for validation.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.