CVE-2026-16331: D-Link DNS-320

D-Link DNS-320 save_ajax.php unrestricted upload

CVSS 6.9 MediumEPSS 0.016 · 75th percentile

Published by the CVE Program (CNA: VulDB) at 21 Jul 2026, 00:45 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
D-Link	DNS-320	affected 1.0.2

Identifiers

CVE-2026-16331

CNA

VulDB

Weakness (CWE)

CWE-284 · CWE-434

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.9	Medium	4.0	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	CNA (VulDB)Used for this record
7.3	High	3.1	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	CNA (VulDB)
7.3	High	3.0	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	CNA (VulDB)
7.5	High	2.0	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR	CNA (VulDB)

CISA KEV Not listed.
EPSS 0.016, the 75th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 21 Jul 2026. New records show when each source confirmed them.

Sources

References from the CNA

vuldb.com/vuln/380697 vdb-entrytechnical-description
vuldb.com/vuln/380697/cti signaturepermissions-required
vuldb.com/cve/CVE-2026-16331 third-party-advisory
vuldb.com/submit/858464 third-party-advisory
www.dlink.com/ product
ucn9h68n9289.feishu.cn/docx/UZ6id3F1Joqlpxxn3NFcL8r7nHb?from=from_copylink exploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.