D-Link DIR-620 1.0.37 Telnet Service 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 (≈)
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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.
8.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in D-Link DIR-620 1.0.37. This impacts an unknown function of the component Telnet Service. Executing a manipulation can lead to hard-coded credentials. This vulnerability is tracked as CVE-2018-6210. The attack can be launched remotely. No exploit exists. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability has been found in D-Link DIR-620 1.0.37 (Router Operating System) and classified as critical. This vulnerability affects an unknown functionality of the component Telnet Service. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

D-Link DIR-620 devices, with a certain Rostelekom variant of firmware 1.0.37, have a hardcoded rostel account, which makes it easier for remote attackers to obtain access via a TELNET session.

The bug was discovered 01/15/2018. The weakness was disclosed 06/19/2018 (Website). The advisory is available at securelist.com. This vulnerability was named CVE-2018-6210 since 01/24/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1110.001 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 155 days. During that time the estimated underground price was around $5k-$25k.

Proper firewalling of is able to address this issue.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Hard-coded credentials
CWE: CWE-798 / 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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/15/2018 🔍
01/24/2018 +9 days 🔍
06/19/2018 +145 days 🔍
06/19/2018 +0 days 🔍
06/20/2018 +1 days 🔍
02/20/2020 +610 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: securelist.com
Status: Not defined

CVE: CVE-2018-6210 (🔍)
GCVE (CVE): GCVE-0-2018-6210
GCVE (VulDB): GCVE-100-119722

Entryinfo

Created: 06/20/2018 13:32
Updated: 02/20/2020 16:20
Changes: 06/20/2018 13:32 (59), 02/20/2020 16:20 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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