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 Apr 25, 2017
9.8
CRITICALCVSS 3.0
EPSS 2.02%
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
No data.
Configuration 1
- ≤ 0.9.1_4.2_v0032.0_build_160706
Configuration 2
- ≤ 0.9.1_4.2_v0032.0_build_160706
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.02% (0.02016) | 80.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.00% (0.01999) | 78.08th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.64% (0.00642) | 79.47th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.64% (0.00642) | 78.98th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.57% (0.00571) | 77.36th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.52% (0.00515) | 76.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.42% (0.00419) | 70.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v1 |
| Jan 6, 2022 | 0.42% (0.00416) | 9.79th | v1 |
| Sep 1, 2021 | 0.42% (0.00416) | 25.53th | v1 |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html x_refsource_MISCExploitTechnical DescriptionThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html | x_refsource_MISCExploitTechnical DescriptionThird Party Advisory |
Change history (0)
No recorded changes yet.