CVE-2017-20224
Unauthenticated file upload on Telesquare router via WebDAV.
Is CVE-2017-20224 being exploited?
Not confirmed. CVE-2017-20224 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.0% probability of exploitation in the next 30 days.
How severe is CVE-2017-20224?
CVE-2017-20224 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2017-20224?
Not known from our data. No patch reference has been recorded for CVE-2017-20224, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2017-20224 affect?
CVE-2017-20224 affects Telesquare SKT LTE Router SDT-CS3B1, Version 1.2.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2017-20224?
Apply firmware update when available; disable WebDAV; restrict WAN management.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated WebDAV file upload enables remote code execution, file deletion/modification, and DoS on the device.
Immediate action required
- affected1.2.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.