D-Link DIR-3040 1.13B03 WiFi Smart Mesh information disclosure

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.
6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in D-Link DIR-3040 1.13B03. It has been declared as problematic. This issue affects some unknown processing of the component WiFi Smart Mesh. Such manipulation leads to information disclosure. This vulnerability is listed as CVE-2021-21913. There is no available exploit.

Detailsinfo

A vulnerability was found in D-Link DIR-3040 1.13B03 (Router Operating System) and classified as problematic. Affected by this issue is some unknown processing of the component WiFi Smart Mesh. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The weakness was presented 09/24/2021 as TALOS-2021-1361. The advisory is shared for download at talosintelligence.com. This vulnerability is handled as CVE-2021-21913 since 01/04/2021. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/02/2021). The MITRE ATT&CK project declares the attack technique as T1592.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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 🔍
09/24/2021 +262 days 🔍
09/24/2021 +0 days 🔍
10/02/2021 +8 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: TALOS-2021-1361
Status: Not defined

CVE: CVE-2021-21913 (🔍)
GCVE (CVE): GCVE-0-2021-21913
GCVE (VulDB): GCVE-100-183308

Entryinfo

Created: 09/24/2021 07:24
Updated: 10/02/2021 07:33
Changes: 09/24/2021 07:24 (39), 10/02/2021 07:28 (1), 10/02/2021 07:33 (18)
Complete: 🔍
Cache ID: 216::103

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