CVE-2017-20224

critical · 9.3

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.

9.3

CVSS

1.0%

EPSS (exploit prob.)

62nd

EPSS percentile

2026-03-16

Published

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-434

Affected products

Vendor	Product	Affected versions
telesquare	sdt-cs3b1_firmware	1.2.0
telesquare	sdt-cs3b1	all versions

Check a specific version with /api/v1/cve/match.

References

https://cxsecurity.com/issue/WLB-2017120301
https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-webdav-arbitrary-file-upload
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5446.php

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2017-20224