D-Link Multiple NAS Devices

CVE-2024-3273: D-Link Multiple NAS Devices Command Injection Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 11 Apr 2024, 7 days after the CVE record was published.

How likely is exploitation in the next 30 days?

100%

EPSS score, percentile 100 of all scored records

How severe?

7.3 High

CVSS v3.1 base score, given by the CNA

What should I do?

Required action (CISA), due 2 May 2024: 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.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected: 20240403; 20240403; 20240403; 20240403

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

Required action, set by CISA

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.

CISA due date for this action: 2 May 2024.

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

Linked from CISA's catalog entry

Affected products and versions

As listed in the CVE record.

D-Link DNS-320L
Status	Versions
Affected	20240403

D-Link DNS-325
Status	Versions
Affected	20240403

D-Link DNS-327L
Status	Versions
Affected	20240403

D-Link DNS-340L
Status	Versions
Affected	20240403

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

D-Link DNS-320L, DNS-325, DNS-327L, and DNS-340L contain a command injection vulnerability. When combined with CVE-2024-3272, this can lead to remote, unauthorized code execution.

Summary: CISA's KEV catalog, as of 28 Oct 2026.

CISA added CVE-2024-3273 to its Known Exploited Vulnerabilities (KEV) catalog on 11 Apr 2024.
CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
The due date CISA sets for the required action is 2 May 2024.
The CVE record was published on 4 Apr 2024, 7 days before it was added to KEV.
The CVE record carries a CVSS v3.1 base score of 7.3 (High), given by its CNA.
FIRST's EPSS model puts the probability of exploitation in the next 30 days at 100% (percentile 100), as of 28 Oct 2026.
CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

Description

D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injection

** 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.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Weakness

CWE-77: Command Injection

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

Date	Event
4 Apr 2024	CVE record published
11 Apr 2024	Added to CISA KEV
2 May 2024	CISA due date for the required action
21 Oct 2025	CVE record last updated

References

Submit #304661 | D-LINK DNS-340L, DNS-320L, DNS-327L, DNS-325 Version 1.11, Version 1.00.0409.2013, Version 1.09, Version 1.08, Version 1.03.0904.2013, Versio… (Third-party advisory)
VDB-259284 | D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injection (Vulnerability database, Technical description)
github.com (Exploit)
VDB-259284 | CTI Indicators (IOB, IOC, TTP, IOA)
supportannouncement.us.dlink.com

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