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CVE-2024-3273

Critical 9.8 Exploited in the wild (KEV)

Confirmed active exploitation — CISA KEV catalog

Name
D-Link Multiple NAS Devices Command Injection Vulnerability
Added to catalog
Remediation due date (US federal)
Required action
This vulnerability affects legacy D-Link products. All associated hardware revisions have reached their end-of-life (EOL) or end-of-service (EOS) life cycle and should be retired and replaced per vendor instructions.

Description

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as critical, was found in D-Link DNS-320L, DNS-325, DNS-327L and DNS-340L up to 20240403. Affected is an unknown function of the file /cgi-bin/nas_sharing.cgi of the component HTTP GET Request Handler. The manipulation of the argument system leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259284. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.

Metrics

CVSS 3.1
9.8 (CRITICAL) Score source: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
100% (percentile: 100) as of 2 November 2026
CWE
CWE-77

Affected products

dlink: dns-320l firmware; dlink: dns-320l; dlink: dns-120 firmware; dlink: dns-120; dlink: dnr-202l firmware; dlink: dnr-202l; dlink: dns-315l firmware; dlink: dns-315l; dlink: dns-320 firmware; dlink: dns-320; dlink: dns-320lw firmware; dlink: dns-320lw; dlink: dns-321 firmware; dlink: dns-321; dlink: dnr-322l firmware

References