CVE-2024-3272

9.8 Known exploited

D-Link Multiple NAS Devices Use of Hard-Coded Credentials Vulnerability

CVSS: 9.8, critical critical CVSS v3.1
EPSS, next 30 days: 98% higher than 99.9% of scored CVEs
Exploitation: Confirmed in the wild
Published: 4 Apr 20242 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 11 Apr 2024. US federal agencies had to remediate by 2 May 2024, a deadline that has passed.

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 very critical, has been found in D-Link DNS-320L, DNS-325, DNS-327L and DNS-340L up to 20240403. This issue affects some unknown processing of the file /cgi-bin/nas_sharing.cgi of the component HTTP GET Request Handler. The manipulation of the argument user with the input messagebus leads to hard-coded credentials. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259283. 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.

Details

Vendor: D-Link and 1 more
Product: DNS-320L
Weakness: CWE-798 (opens in a new tab)
Status: Analyzed
Updated: 17 Jun 2026
Assigner: cna@vuldb.com

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References 5

Exploit code 1

github.com /netsecfish/dlink (opens in a new tab)

Advisories 2

Other references 2

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other D-Link CVEs

Every D-Link CVE we hold

Same vendor in what we hold, not a known link between the flaws.

CVE-2025-29635 D-Link DIR-823X Command Injection Vulnerability KEV EPSS 88% 7.2, high
CVE-2024-3273 D-Link Multiple NAS Devices Command Injection Vulnerability KEV EPSS 100% 9.8, critical
CVE-2024-0769 D-Link DIR-859 Router Path Traversal Vulnerability KEV EPSS 83% 9.8, critical
CVE-2023-25280 D-Link DIR-820 Router OS Command Injection Vulnerability KEV EPSS 98% 9.8, critical
CVE-2022-40799 D-Link DNR-322L Download of Code Without Integrity Check Vulnerability KEV EPSS 34% 8.8, high
CVE-2016-20017 D-Link DSL-2750B Devices Command Injection Vulnerability KEV EPSS 67% 9.8, critical
CVE-2022-37055 D-Link Routers Buffer Overflow Vulnerability KEV EPSS 56% 9.8, critical
CVE-2022-26258 D-Link DIR-820L Remote Code Execution Vulnerability KEV EPSS 92% 9.8, critical

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Is CVE-2024-3272 in your network?

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CVE-2024-3272 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

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Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.