D-Link DIR-3040 1.13B03 Libcli Test Environment hard-coded password

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.
7.1$5k-$25k0.00

Summaryinfo

A vulnerability was found in D-Link DIR-3040 1.13B03. It has been declared as problematic. This impacts an unknown function of the component Libcli Test Environment. Such manipulation leads to hard-coded password. This vulnerability is traded as CVE-2021-21820. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in D-Link DIR-3040 1.13B03 (Router Operating System). Affected by this issue is some unknown processing of the component Libcli Test Environment. The manipulation with an unknown input leads to a hard-coded password vulnerability. Using CWE to declare the problem leads to CWE-259. The product contains a hard-coded password, which it uses for its own inbound authentication or for outbound communication to external components. Impacted is confidentiality, integrity, and availability.

The weakness was shared 07/16/2021 as TALOS-2021-1285. The advisory is available at talosintelligence.com. This vulnerability is handled as CVE-2021-21820. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/16/2021). This vulnerability is assigned to T1078.001 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Hard-coded password
CWE: CWE-259 / CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
07/16/2021 +192 days 🔍
07/16/2021 +0 days 🔍
07/19/2021 +3 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: TALOS-2021-1285
Status: Not defined

CVE: CVE-2021-21820 (🔍)
GCVE (CVE): GCVE-0-2021-21820
GCVE (VulDB): GCVE-100-178814

Entryinfo

Created: 07/16/2021 17:08
Updated: 07/19/2021 17:34
Changes: 07/16/2021 17:08 (38), 07/19/2021 17:34 (2)
Complete: 🔍
Cache ID: 216::103

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