PatchTheCVECVE-2017-18373: The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 router distributed by TrueOnline has three user accounts w
CVE-2017-18373 is a high-severity flaw (CVSS 8.8) affecting 5200w-t firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 route
Why this priority
- High severity
- EPSS top 7%: very likely to be exploited
- Public exploit reference
- On your watchlist
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 5.4% (top 7%) |
| CISA exploited list | No |
| Weakness | CWE-798 |
| Published | 2019-05-02 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2017-18373?
5200w-t firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2017-18373 being exploited?
CVE-2017-18373 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2017-18373 affect?
CVE-2017-18373 affects 5200w-t firmware. Severity is high (CVSS 8.8). 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 th
How urgent is CVE-2017-18373?
Priority 64/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference; On your watchlist
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