CVE-2017-8218

9.8 criticalEPSS 2.1%

Critical (9.8) in tp-link. EPSS 2.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE: CWE-1188
Published: 2017-04-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tp-link:c20i_firmware
tp-link:c2_firmware

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

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