D-Link DIR-2640-US 1.01B04 PPPoE 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
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6.1$5k-$25k0.00

A vulnerability, which was classified as critical, was found in D-Link DIR-2640-US 1.01B04 (Router Operating System). Affected is some unknown functionality of the component PPPoE. The manipulation with an unknown input leads to a hard-coded password vulnerability. CWE is classifying the issue as CWE-259. The product contains a hard-coded password, which it uses for its own inbound authentication or for outbound communication to external components. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 06/17/2021. The advisory is available at github.com. This vulnerability is traded as CVE-2021-34203. 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 06/17/2021). 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.

Entries connected to this vulnerability are available at VDB-92329, VDB-193179, VDB-195155 and VDB-195158.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
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: 🔍

Local: No
Remote: Partially

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

06/07/2021 🔍
06/17/2021 +10 days 🔍
06/17/2021 +0 days 🔍
06/21/2021 +4 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2021-34203 (🔍)
See also: 🔍

Entryinfo

Created: 06/17/2021 11:28 AM
Updated: 06/21/2021 10:39 AM
Changes: 06/17/2021 11:28 AM (37), 06/21/2021 10:39 AM (2)
Complete: 🔍
Cache ID: 3:867:40

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