CVE-2019-18852

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2019-18852
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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://github.com/ChandlerChin/Dlink_vuls/blob/master/A%20hard%20coded%20telnet%20user%20was%20discovered%20in%20multiple%20Dlink%20routers.pdf Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:dlink:dir-600_b1_firmware:2.01:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-600_b1:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:dlink:dir-615_j1_firmware:100:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-615_j1:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:dlink:dir-645_a1_firmware:1.03:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-645_a1:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:dlink:dir-815_a1_firmware:1.01:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-815_a1:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:dlink:dir-823_a1_firmware:1.01:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-823_a1:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:dlink:dir-842_c1_firmware:3.00:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-842_c1:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:dlink:dir-890l_a1_firmware:1.03:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-890l_a1:-:*:*:*:*:*:*:*
History

No history.

Information

Published : 2019-11-11 14:15

Updated : 2023-12-10 13:13

NVD link : CVE-2019-18852

Mitre link : CVE-2019-18852

CVE.ORG link : CVE-2019-18852

JSON object : View

Products Affected

dlink

  • dir-823_a1_firmware
  • dir-600_b1
  • dir-645_a1
  • dir-645_a1_firmware
  • dir-600_b1_firmware
  • dir-815_a1_firmware
  • dir-615_j1_firmware
  • dir-615_j1
  • dir-890l_a1_firmware
  • dir-823_a1
  • dir-890l_a1
  • dir-842_c1_firmware
  • dir-815_a1
  • dir-842_c1
CWE
CWE-319

Cleartext Transmission of Sensitive Information