D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L up to 20240403 HTTP GET Request /cgi-bin/nas_sharing.cgi user hard-coded credentials

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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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 an unknown part of the file /cgi-bin/nas_sharing.cgi of the component HTTP GET Request Handler. The manipulation of the argument user with the input value messagebus leads to a hard-coded credentials vulnerability. Using CWE to declare the problem leads to CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. Impacted is confidentiality, integrity, and availability.

The weakness was presented by netsecfish. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-3272. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/05/2024). The attack technique deployed by this issue is T1110.001 according to MITRE ATT&CK.

The exploit is available at github.com. It is declared as highly functional. Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 04/11/2024 with a due date of 05/02/2024:

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 problem might be mitigated by replacing the product with as an alternative.

See VDB-259284 and VDB-259285 for similar entries.







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔒
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VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
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CNA Base Score: 9.8
CNA Vector (VulDB): 🔒



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Class: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255

Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Highly functional
Download: 🔒

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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Alternative
Status: 🔍

0-Day Time: 🔒


04/03/2024 Advisory disclosed
04/03/2024 +0 days CVE reserved
04/03/2024 +0 days VulDB entry created
06/05/2024 +63 days VulDB entry last update


Vendor: dlink.com

Advisory: github.com
Researcher: netsecfish
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2024-3272 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔒


Created: 04/03/2024 08:28 PM
Updated: 06/05/2024 08:14 PM
Changes: 04/03/2024 08:28 PM (60), 04/05/2024 07:02 AM (1), 04/11/2024 11:49 AM (1), 04/30/2024 04:49 PM (16), 05/09/2024 10:00 AM (2), 05/09/2024 10:04 AM (18), 06/05/2024 08:14 PM (17)
Complete: 🔍
Cache ID: 44:E35:40


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