CVE-2024-3272
D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi hard-coded credentials
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Official description from the CVE record, published by VulDB. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 Critical 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | None | No account or privileges are needed. |
| User interaction | None | No action from any user is needed. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | High | Serious or total effect on the trustworthiness of data. |
| Availability impact | High | Serious or total effect on availability. |
CVSS 3.0 Critical 9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | None | No account or privileges are needed. |
| User interaction | None | No action from any user is needed. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | High | Serious or total effect on the trustworthiness of data. |
| Availability impact | High | Serious or total effect on availability. |
CVSS 2.0 High 10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Access complexity: Low
Specialized access conditions do not exist: the attack needs no special circumstances.
Authentication: None
No authentication is needed.
Confidentiality impact: Complete
All data on the system can be read.
Integrity impact: Complete
Any data on the system can be changed.
Availability impact: Complete
The system or service can be shut down entirely.
| Metric | Value | What it means |
|---|---|---|
| Access vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. |
| Access complexity | Low | Specialized access conditions do not exist: the attack needs no special circumstances. |
| Authentication | None | No authentication is needed. |
| Confidentiality impact | Complete | All data on the system can be read. |
| Integrity impact | Complete | Any data on the system can be changed. |
| Availability impact | Complete | The system or service can be shut down entirely. |
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EPSS
- Score
- 0.98109 (98.1% probability)
- Percentile
- 99.9%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA Known Exploited Vulnerabilities
- Name in the catalog
- D-Link Multiple NAS Devices Use of Hard-Coded Credentials Vulnerability
- Added to the catalog
- Apr 11, 2024
- Federal due date
- May 2, 2024
CISA assessment as of Apr 12, 2024
- Exploitation
- Recorded by CISA as active
- Automatable
- yes
- Technical impact
- total
Weakness (CWE)
- CWE-798Use of Hard-coded Credentials
Affected products
D-Link DNS-320L
- affected: 20240403
D-Link DNS-325
- affected: 20240403
D-Link DNS-327L
- affected: 20240403
D-Link DNS-340L
- affected: 20240403
References
- VDB-259283 | D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi hard-coded credentials (vuldb.com)vdb-entrytechnical-description
- VDB-259283 | CTI Indicators (IOB, IOC, TTP, IOA) (vuldb.com)signaturepermissions-required
- github.com/netsecfish/dlinkexploit
- supportannouncement.us.dlink.com/security/publication.aspx?…related
Timeline
- ID reserved
- Record published
- Added to CISA KEV
- Record last updated
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About CubePath
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:23 UTC. Sources and licenses