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 CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.7	$0-$5k	0.29

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 04/30/2024). 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.

Productinfo

Vendor

D-Link

Name

Version

20240403

License

commercial

Support

end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔒
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VulDB Reliability: 🔍

NVD Base Score: 🔒

Exploitinginfo

Class: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255
CAPEC: 🔒
ATT&CK: 🔒

Local: No
Remote: Yes

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

EPSS Score: 🔒
EPSS Percentile: 🔒

KEV Added: 🔒
KEV Due: 🔒
KEV Remediation: 🔒
KEV Ransomware: 🔒
KEV Notice: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Alternative
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/03/2024 Advisory disclosed
04/03/2024 +0 days CVE reserved
04/03/2024 +0 days VulDB entry created
05/09/2024 +36 days VulDB entry last update

Sourcesinfo

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: 🔒

Entryinfo

Created: 04/03/2024 20:28
Updated: 05/09/2024 10:04
Changes: 04/03/2024 20:28 (60), 04/05/2024 07:02 (1), 04/11/2024 11:49 (1), 04/30/2024 16:49 (16), 05/09/2024 10:00 (2), 05/09/2024 10:04 (18)
Complete: 🔍
Cache ID: 3:D8C:103