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Critical · 9.8 CVE-2017-20224 EUVD-2017-18941

Telesquare SKT LTE Router SDT-CS3B1 WebDAV Arbitrary File Upload

Published Mar 16, 2026 · Updated Mar 16, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
Telesquare SDT-CS3B1 1.2.0 —

References