Description
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.
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/ChandlerChin/Dlink_vuls/blob/master/A%20hard%20coded%20telnet%20user%20was%20discovered%20in%20multiple%20Dlink%20routers.pdf
Scores
CVSS v3
9.8
EPSS
0.0050
EPSS Percentile
66.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-319
Status
published
Products (7)
dlink/dir-600_b1_firmware
2.01
dlink/dir-615_j1_firmware
100
dlink/dir-645_a1_firmware
1.03
dlink/dir-815_a1_firmware
1.01
dlink/dir-823_a1_firmware
1.01
dlink/dir-842_c1_firmware
3.00
dlink/dir-890l_a1_firmware
1.03
Published
Nov 11, 2019
Tracked Since
Feb 18, 2026