CVE-2017-20224
Critical
Description
Telesquare SKT LTE Router SDT-CS3B1 version 1.2.0 contains an arbitrary file upload vulnerability that allows unauthenticated attackers to upload malicious content by exploiting enabled WebDAV HTTP methods. Attackers can use PUT, DELETE, MKCOL, MOVE, COPY, and PROPPATCH methods to upload executable code, delete files, or manipulate server content for remote code execution or denial of service.
SeverityCritical
CVSS9.8
Exploit probability—
ProductTelesquare Sdt-cs3b1 Firmware
PublishedMar 16, 2026
First seenMar 16, 2026
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| telesquare sdt-cs3b1_firmware | 1.2.0 | — |
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