CVE-2026-16331

HIGH

D-Link DNS-320 save_ajax.php unrestricted upload

Title source: cna
STIX 2.1

Description

A security vulnerability has been detected in D-Link DNS-320 1.0.2. This affects an unknown function of the file /web/function/save_ajax.php. Such manipulation of the argument Malicious Handler leads to unrestricted upload. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

References (6)

Core 6
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-380697 | D-Link DNS-320 save_ajax.php unrestricted upload
https://vuldb.com/vuln/380697
Signature, Permissions Required signature permissions-required
VDB-380697 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/380697/cti
Third Party Advisory third-party-advisory
CVE-2026-16331 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-16331
Third Party Advisory third-party-advisory
Submit #858464 | D-Link (Shanghai)Limited Corp. D-Link DNS32 1.0.2 CWE-434 (Unrestricted Upload of File with Dangerous Type)
https://vuldb.com/submit/858464
Product product
https://www.dlink.com/

Scores

CVSS v3 7.3
EPSS 0.0073
EPSS Percentile 50.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-284 CWE-434
Status published
Products (1)
D-Link/DNS-320 1.0.2
Published Jul 21, 2026
Tracked Since Jul 21, 2026