CVE-2024-3272D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi hard-coded credentials

** 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 CRITICALEPSS 98.10%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 07:43 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: VulDB (CNA)
NVD status: Analyzed
Published: Apr 4, 2024
Assigner: VulDB

Affected

DNS-320L (D-Link)

Versions: 20240403

+3 more products →

Exploitation

Public exploit: Yes · 1 reference
CISA KEV: Listed · Apr 11, 2024
KEV due date: May 2, 2024
Ransomware use: Unknown
SSVC: Exploitation active · Automatable yes · Impact total

EPSS · FIRST, scored Nov 7

98.10%chance of exploitation in 30 days

Higher than 99.91% of CVEs

CVSS 3.1 · VulDB (CNA)

9.8Critical

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

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.0 · VulDB (CNA)

9.8Critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · VulDB (CNA)

10.0High

AV:N/AC:L/Au:N/C:C/I:C/A:C

Attack vector: Network
Attack complexity: Low
Authentication: None
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1VulDB (CNA)	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8	CRITICAL	3.0VulDB (CNA)	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10.0	HIGH	2.0VulDB (CNA)	AV:N/AC:L/Au:N/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due May 2, 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.

Details

CVE ID: CVE-2024-3272
Status: Analyzed
Assigner (CNA): VulDB
Published: Apr 4, 2024
Last modified: 2026-06-17 07:43 UTC
Weaknesses: CWE-798 · Hard-coded Credentials

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 13:25 UTC.