D-Link COVR 3902 REVA 1.01B0 Telnet hard-coded credentials

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in D-Link COVR 3902 REVA 1.01B0. Affected is an unknown function of the component Telnet. The manipulation with the input Alphanetworks/wrgac61_dlink.2015_dir883 results in hard-coded credentials. This vulnerability is cataloged as CVE-2018-20432. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in D-Link COVR 3902 REVA 1.01B0. It has been classified as critical. Affected is some unknown functionality of the component Telnet. The manipulation with the input value Alphanetworks/wrgac61_dlink.2015_dir883 leads to a hard-coded credentials vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

D-Link COVR-2600R and COVR-3902 Kit before 1.01b05Beta01 use hardcoded credentials for telnet connection, which allows unauthenticated attackers to gain privileged access to the router, and to extract sensitive data or modify the configuration.

The weakness was shared 09/02/2020 as not defined mailinglist post (Full-Disclosure). The advisory is shared for download at seclists.org. This vulnerability is traded as CVE-2018-20432. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1110.001.

After immediately, there has been an exploit disclosed. The exploit is shared for download at seclists.org. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

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

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: 6.9
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: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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: 🔍
Exploit Delay Time: 🔍

Timelineinfo

12/24/2018 🔍
09/02/2020 +618 days 🔍
09/02/2020 +0 days 🔍
09/08/2020 +6 days 🔍
06/16/2024 +1377 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: seclists.org
Status: Not defined

CVE: CVE-2018-20432 (🔍)
GCVE (CVE): GCVE-0-2018-20432
GCVE (VulDB): GCVE-100-160764
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/08/2020 12:24
Updated: 06/16/2024 10:45
Changes: 09/08/2020 12:24 (44), 09/08/2020 12:29 (16), 11/11/2020 08:17 (1), 11/12/2020 20:15 (1), 06/16/2024 10:45 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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