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Public proof of concept

CVE-2026-16327

D-Link DNS-320 upload.php unrestricted upload

A public proof of concept exists; no exploitation attested.

  • Published2026-07-21
  • WeaknessCWE-284 · CWE-434

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2026-07-2100:16CVE publishedNVD

Versions per branch

Products declared by the CNA

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • D-Link DNS-320
    Affected
    • = 1.0.2no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-07-20

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-16327 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-25
  • CISA-ADPSSVC decisionpoc2026-07-21
  • CNACVSS 4.05.5known since 2026-10-25
  • CNACVSS 3.17.3known since 2026-10-25
  • CNACVSS 2.07.5known since 2026-10-25
  • CNAweakness (CWE)CWE-284, CWE-434known since 2026-10-25
  • FIRST EPSSEPSS score1.6 %2026-11-08
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2026-07-21
Last Modified
2026-10-24
NVD status
Deferred
GitHub Advisory
GHSA-6ccf-xr2j-ch59

Frequently asked questions

What is CVE-2026-16327?

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.

Is CVE-2026-16327 actively exploited?

A proof-of-concept exploit exists for CVE-2026-16327, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-16327?

CVE-2026-16327 has a CVSS v3 base score of 7.3 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

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