Vulnerability Monitor

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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.

Published

2017-04-25T20:59:00.197

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-1188

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	tp-link	c2_firmware	≤ 0.9.1_4.2_v0032.0_build_160706	Yes
Hardware	tp-link	c2	-	No
Operating System	tp-link	c20i_firmware	≤ 0.9.1_4.2_v0032.0_build_160706	Yes
Hardware	tp-link	c20i	-	No

References

https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html Exploit, Technical Description, Third Party Advisory ([email protected])
https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)