What’s Vulnerable › Vulnerabilities

CVE-2017-8218

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-04-25 · updated 2026-06-17
• Weakness: CWE-1188

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.

Affected products

• TP-Link C20I Firmware: through 0.9.1_4.2_v0032.0_build_160706
• TP-Link C2 Firmware: through 0.9.1_4.2_v0032.0_build_160706

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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