High 7.3Published Jul 20, 2026

CVE-2026-16331D-Link DNS-320 save_ajax.php unrestricted upload

Updated under an hour ago (Oct 26, 2026, 1:00 AM ET)

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It affects D-Link DNS-320. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for D-Link DNS-320

Exploited in the last 30 days

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.

CVSS: 7.3 HIGH (v3.1, CNA)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
Weakness (CWE): CWE-434, CWE-284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Jul 22, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

D-Link DNS-320 d-link:dns-320	1.0.2	CNA record

References

https://vuldb.com/vuln/380697vdb-entry, technical-description
https://vuldb.com/vuln/380697/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-16331third-party-advisory
https://vuldb.com/submit/858464third-party-advisory
https://ucn9h68n9289.feishu.cn/docx/UZ6id3F1Joqlpxxn3NFcL8r7nHb?from=from_copylinkexploit
https://www.dlink.com/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.