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.

Published: Nov 11, 2019
Updated: Apr 13, 2023
CVE: CVE-2019-18852
Severity: Critical
Exploit:

CVSS v3:

Severity: Critical
Score: 9.8
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

Severity: High
Score: 10
AV:N/AC:L/Au:N/C:C/I:C/A:C

CWEs:

CWE-319

OWASP TOP 10:

A3 - Sensitive Data Exposure

Affected Software
References

Software	From	Fixed in
dlink / dir-600_b1_firmware	2.01	2.01.x
dlink / dir-615_j1_firmware	100	100.x
dlink / dir-645_a1_firmware	1.03	1.03.x
dlink / dir-815_a1_firmware	1.01	1.01.x
dlink / dir-823_a1_firmware	1.01	1.01.x
dlink / dir-842_c1_firmware	3.00	3.00.x
dlink / dir-890l_a1_firmware	1.03	1.03.x

https://github.com/ChandlerChin/Dlink_vuls/blob/master/A%20hard%20coded%20telnet%20user%20was%20discovered%20in%20multiple%20Dlink%20routers.pdf

Vulnerability Database

CVE-2019-18852

Deep Security Visibility Without the Complexity