CVE-2018-20432

COVR 3902 1.01B0 Hardcoded Credentials

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

D-Link COVR-2600R y COVR-3902 Kit versiones anteriores a 1.01b05Beta01, usan credenciales embebidas para la conexión telnet, lo que permite a atacantes no autenticados obtener acceso privilegiado al enrutador y extraer datos confidenciales o modificar la configuración

The COVR 3902 REVA router with firmware 1.01B0 has hardcoded telnet credentials.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-12-24 CVE Reserved
2020-09-02 CVE Published
2020-09-02 First Exploit
2024-08-05 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-798: Use of Hard-coded Credentials

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC
https://packetstorm.news/files/id/159058	2020-09-02
http://packetstormsecurity.com/files/159058/COVR-3902-1.01B0-Hardcoded-Credentials.html	2024-08-05
https://cybersecurityworks.com/zerodays/cve-2018-20432-dlink.html	2024-08-05

URL	Date	SRC
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10109	2022-11-16

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dlink Search vendor "Dlink"	Covr-2600r Firmware Search vendor "Dlink" for product "Covr-2600r Firmware"	<= 1.01b05 Search vendor "Dlink" for product "Covr-2600r Firmware" and version " <= 1.01b05"	-	Affected	in	Dlink Search vendor "Dlink"	Covr-2600r Search vendor "Dlink" for product "Covr-2600r"	-	-	Safe
Dlink Search vendor "Dlink"	Covr-3902 Firmware Search vendor "Dlink" for product "Covr-3902 Firmware"	<= 1.01b05 Search vendor "Dlink" for product "Covr-3902 Firmware" and version " <= 1.01b05"	-	Affected	in	Dlink Search vendor "Dlink"	Covr-3902 Search vendor "Dlink" for product "Covr-3902"	-	-	Safe