CVE-2017-8218

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 74%
VendorProductVersion
tp-linkc2_firmware
𝑥
≤ 0.9.1_4.2_v0032.0_build_160706
tp-linkc20i_firmware
𝑥
≤ 0.9.1_4.2_v0032.0_build_160706
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html
https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html