CVE-2019-18852

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Certain D-Link devices have a hardcoded Alphanetworks user account with TELNET access because of /etc/config/image_sign or /etc/alpha_config/image_sign. This affects DIR-600 B1 V2.01 for WW, DIR-890L A1 v1.03, DIR-615 J1 v100 (for DCN), DIR-645 A1 v1.03, DIR-815 A1 v1.01, DIR-823 A1 v1.01, and DIR-842 C1 v3.00.

Determinados dispositivos D-Link, poseen una cuenta de usuario de Alphanetworks embebida con acceso de TELNET debido a etc/config/image_sign o /etc/alpha_config/image_sign. Esto afecta a DIR-600 B1 versión V2.01 para WW, DIR-890L A1 versión v1.03, DIR-615 J1 versión v100 (para DCN), DIR-645 A1 versión v1.03, DIR-815 A1 versión v1.01, DIR-823 A1 versión v1.01 y DIR-842 C1 versión v3.00.

*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

2019-11-11 CVE Reserved
2019-11-11 CVE Published
2023-10-18 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-319: Cleartext Transmission of Sensitive Information

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/ChandlerChin/Dlink_vuls/blob/master/A%20hard%20coded%20telnet%20user%20was%20discovered%20in%20multiple%20Dlink%20routers.pdf	2024-08-05

URL	Date	SRC

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"	Dir-600 B1 Firmware Search vendor "Dlink" for product "Dir-600 B1 Firmware"	2.01 Search vendor "Dlink" for product "Dir-600 B1 Firmware" and version "2.01"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-600 B1 Search vendor "Dlink" for product "Dir-600 B1"	-	-	Safe
Dlink Search vendor "Dlink"	Dir-615 J1 Firmware Search vendor "Dlink" for product "Dir-615 J1 Firmware"	100 Search vendor "Dlink" for product "Dir-615 J1 Firmware" and version "100"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-615 J1 Search vendor "Dlink" for product "Dir-615 J1"	-	-	Safe
Dlink Search vendor "Dlink"	Dir-645 A1 Firmware Search vendor "Dlink" for product "Dir-645 A1 Firmware"	1.03 Search vendor "Dlink" for product "Dir-645 A1 Firmware" and version "1.03"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-645 A1 Search vendor "Dlink" for product "Dir-645 A1"	-	-	Safe
Dlink Search vendor "Dlink"	Dir-815 A1 Firmware Search vendor "Dlink" for product "Dir-815 A1 Firmware"	1.01 Search vendor "Dlink" for product "Dir-815 A1 Firmware" and version "1.01"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-815 A1 Search vendor "Dlink" for product "Dir-815 A1"	-	-	Safe
Dlink Search vendor "Dlink"	Dir-823 A1 Firmware Search vendor "Dlink" for product "Dir-823 A1 Firmware"	1.01 Search vendor "Dlink" for product "Dir-823 A1 Firmware" and version "1.01"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-823 A1 Search vendor "Dlink" for product "Dir-823 A1"	-	-	Safe
Dlink Search vendor "Dlink"	Dir-842 C1 Firmware Search vendor "Dlink" for product "Dir-842 C1 Firmware"	3.00 Search vendor "Dlink" for product "Dir-842 C1 Firmware" and version "3.00"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-842 C1 Search vendor "Dlink" for product "Dir-842 C1"	-	-	Safe
Dlink Search vendor "Dlink"	Dir-890l A1 Firmware Search vendor "Dlink" for product "Dir-890l A1 Firmware"	1.03 Search vendor "Dlink" for product "Dir-890l A1 Firmware" and version "1.03"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-890l A1 Search vendor "Dlink" for product "Dir-890l A1"	-	-	Safe