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.
Published: 2026-03-16
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Arbitrary file upload that can lead to remote code execution or denial of service
Action: Immediate Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 16 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 16 Mar 2026 01:45:00 +0000

Type Values Removed Values Added
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.
Title Telesquare SKT LTE Router SDT-CS3B1 WebDAV Arbitrary File Upload
First Time appeared Telesquare
Telesquare sdt-cs3b1
Telesquare sdt-cs3b1 Firmware
Weaknesses CWE-434
CPEs cpe:2.3:h:telesquare:sdt-cs3b1:-:*:*:*:*:*:*:*
cpe:2.3:o:telesquare:sdt-cs3b1_firmware:1.1.0:*:*:*:*:*:*:*
cpe:2.3:o:telesquare:sdt-cs3b1_firmware:1.2.0:*:*:*:*:*:*:*
Vendors & Products Telesquare
Telesquare sdt-cs3b1
Telesquare sdt-cs3b1 Firmware
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Telesquare Sdt-cs3b1 Sdt-cs3b1 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-03-16T14:20:16.427Z

Reserved: 2026-03-15T21:57:29.608Z

Link: CVE-2017-20224

cve-icon Vulnrichment

Updated: 2026-03-16T14:16:59.123Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-16T14:17:52.560

Modified: 2026-04-14T16:52:32.510

Link: CVE-2017-20224

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-23T14:00:44Z

Weaknesses