D-Link Multiple NAS Devices Use of Hard-Coded Credentials Vulnerability
D-Link — DNS-320L
** 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.
9.8
98.0%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- Apr 4, 2024
- Modified
- Oct 21, 2025
- Added to KEV
- Apr 11, 2024
- Federal patch due
- May 2, 2024
CISA 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.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2024-3272, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit — cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2024-3272 were found at last check. Absence here is not proof no exploit exists — see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2024-3272?
** 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.
How severe is CVE-2024-3272?
CVE-2024-3272 has a CVSS base score of 9.8 out of 10 (CVSS 3.1).
Is CVE-2024-3272 actively exploited in the wild?
Yes. CVE-2024-3272 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Apr 11, 2024, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2024-3272?
98.0% - meaning FIRST.org's EPSS model estimates a 98.0% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2024-3272?
Yes - a public Nuclei template referencing CVE-2024-3272 exist in public repositories we checked.
What type of vulnerability is CVE-2024-3272?
CVE-2024-3272 is classified under CWE-798 (CWE-798 Hard-coded Credentials).
Cross-checked against
Impactr finds and proves whether CVE-2024-3272 — or flaws like it — are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.