CRITICAL
The backdoor account dnsekakf2$$ in /bin/login on DASAN H665 devices with firmware 1.46p1-0028 allows an attacker to login to the admin account via TELNET
Published Feb 20, 2019
9.8
CRITICALCVSS 3.0
EPSS 2.86%
Description
The backdoor account dnsekakf2$$ in /bin/login on DASAN H665 devices with firmware 1.46p1-0028 allows an attacker to login to the admin account via TELNET.
Affected products
No data.
AND
- 1.46p1-0028
Running on/with
- n/a
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.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
10.0 HIGH NVD
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
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.86% 0.02857
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02857
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.86% (0.02857) | 86.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.62% (0.02618) | 83.40th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.29% (0.00291) | 69.41th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.29% (0.00291) | 68.71th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.22% (0.00220) | 59.21th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.20% (0.00200) | 56.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.12% (0.01120) | 82.36th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.03% (0.09029) | 86.86th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v5 (v2026.06.15) |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://blog.burghardt.pl/2019/02/dasan-h665-has-vendor-backdoor-built-into-busyboxs-bin-login/ x_refsource_MISCExploitThird Party Advisory
- https://seclists.org/bugtraq/2019/Feb/32 x_refsource_MISCExploitMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://blog.burghardt.pl/2019/02/dasan-h665-has-vendor-backdoor-built-into-busyboxs-bin-login/ | x_refsource_MISCExploitThird Party Advisory | |
| https://seclists.org/bugtraq/2019/Feb/32 | x_refsource_MISCExploitMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 20, 2019
Updated Sep 16, 2024
Reserved Feb 19, 2019
Link CVE-2019-8950
CISA Vulnrichment
Updated n/a