Is CVE-2017-20224 actively exploited?

No active exploitation of CVE-2017-20224 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-20224 be exploited remotely?

Yes. CVE-2017-20224 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-20224?

CVE-2017-20224 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2017-20224

CWE-434Published: March 16, 2026· Updated: Mar 16, 2026

9.8

CVSS v3.1

EPSS:0.26%probability of exploitation in 30 daysPercentile:49.3th

Official 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.

NVD Source

Technical Analysis

CVE-2017-20224 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.