The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 router distributed by TrueOnline has three user accounts with default passwords, including two hardcoded service accounts: one with the username true and password true, and another with the username user3 and and a long password consisting of a repetition of the string 0123456789
Published May 2, 2019
8.8
HIGHCVSS 3.0
EPSS 5.38%
Description
The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 router distributed by TrueOnline has three user accounts with default passwords, including two hardcoded service accounts: one with the username true and password true, and another with the username user3 and and a long password consisting of a repetition of the string 0123456789. These accounts can be used to login to the web interface, exploit authenticated command injections, and change router settings for malicious purposes.
Affected products
No data.
- 7.3.8.0
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:L/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:S/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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 5.38% (0.05384) | 92.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.38% (0.05384) | 91.61th | v5 (v2026.06.15) |
| Apr 2, 2026 | 9.06% (0.09064) | 92.62th | v4 (v2025.03.14) |
| Mar 30, 2025 | 12.61% (0.12606) | 93.34th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.79% (0.13791) | 90.47th | v4 (v2025.03.14) |
| Mar 17, 2025 | 12.61% (0.12606) | 93.41th | v4 (v2025.03.14) |
| Jul 20, 2024 | 1.11% (0.01112) | 84.69th | v3 (v2023.03.01) |
| Apr 25, 2024 | 1.11% (0.01112) | 84.36th | v3 (v2023.03.01) |
| Mar 14, 2024 | 0.94% (0.00936) | 82.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.94% (0.00936) | 80.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.07% (0.02066) | 79.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.07% (0.02066) | 77.95th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.07% (0.02066) | 56.64th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.88% (0.00884) | 25.39th | v1 |
| Jan 6, 2022 | 0.88% (0.00884) | 24.77th | v1 |
| Sep 1, 2021 | 0.88% (0.00884) | 59.15th | v1 |
| Apr 14, 2021 | 0.88% (0.00884) | 0.00th | v1 |
References (3)
- https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt x_refsource_MISCExploitThird Party Advisory
- https://seclists.org/fulldisclosure/2017/Jan/40 x_refsource_MISCExploitMailing ListThird Party Advisory
- https://ssd-disclosure.com/index.php/archives/2910 x_refsource_MISCExploitTechnical DescriptionThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt | x_refsource_MISCExploitThird Party Advisory | |
| https://seclists.org/fulldisclosure/2017/Jan/40 | x_refsource_MISCExploitMailing ListThird Party Advisory | |
| https://ssd-disclosure.com/index.php/archives/2910 | x_refsource_MISCExploitTechnical DescriptionThird Party Advisory |
Change history (0)
No recorded changes yet.