Description
vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin account with the 1234 password, a backdoor guest account with the guest password, and a backdoor test account with the test password.
References (1)
Core 1
Core References
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html
Scores
CVSS v3
9.8
EPSS
0.0200
EPSS Percentile
78.1%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-1188
Status
published
Products (2)
tp-link/c20i_firmware
< 0.9.1_4.2_v0032.0_build_160706
tp-link/c2_firmware
< 0.9.1_4.2_v0032.0_build_160706
Published
Apr 25, 2017
Tracked Since
Feb 18, 2026