CVE-2017-20224
CRITICALTelesquare SKT LTE Router SDT-CS3B1 WebDAV Arbitrary File Upload
Title source: cnaDescription
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.
References (3)
Core 3
Core References
Third Party Advisory third-party-advisory
Zero Science Lab Disclosure
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5446.php
Third Party Advisory third-party-advisory
VulnCheck Advisory: Telesquare SKT LTE Router SDT-CS3B1 WebDAV Arbitrary File Upload
https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-webdav-arbitrary-file-upload
Scores
CVSS v3
9.8
EPSS
0.0019
EPSS Percentile
40.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-434
Status
published
Products (2)
Telesquare/SDT-CS3B1
1.2.0
telesquare/sdt-cs3b1_firmware
1.2.0
Published
Mar 16, 2026
Tracked Since
Mar 16, 2026