Arbitrary file upload in Telesquare Sdt-Cs3b1
CVE-2017-20224
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (62.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Telesquare Sdt-Cs3b1 — versions 1.2.0
- Telesquare Sdt-Cs3b1 Firmware — versions 1.2.0
Weakness classification (CWE)
References
- www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5446.php (Exploit, Third Party Advisory, third-party-advisory)
- cxsecurity.com/issue/WLB-2017120301 (Exploit, Issue Tracking, third-party-advisory)
- www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-webdav-arbitra… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2017-20224?
- CVE-2017-20224 is a critical-severity vulnerability in Telesquare Sdt-Cs3b1, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-03-16.
- How severe is CVE-2017-20224?
- Critical severity. CVSS v3 base score is 9.8 out of 10.