Vulnerability · 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…
Published Mar 16, 2026 · catalog updated Jun 17, 2026 · sdt-cs3b1 firmware
Last checked Oct 30, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2017-20224. EPSS is 1.06%. Act only if a listed version of sdt-cs3b1 firmware is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2017-20223 · Critical
- CVE-2017-20222 · High
- CVE-2017-20221 · Medium
- Severity
- Critical9.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 1.06%
- Remediation
- Advisory link
- Affected products
- cpe telesquare/sdt-cs3b1 firmware
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe telesquare/sdt-cs3b1 firmware1.2.0
How to fix CVE-2017-20224
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 1.2.0
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2017-20224. EPSS is 1.06%. Act only if a listed version of sdt-cs3b1 firmware is installed.
Which versions are affected?
Compare what you have installed with telesquare/sdt-cs3b1 firmware 1.2.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-434: Unrestricted Upload of File with Dangerous Type. EPSS 1.06%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 16, 2026 · NIST NVD
Detected
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.
Jun 17, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2017-20224
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2017-20224
30-day exploitation probability 1.06%
first.org - NIST NVDVulnerability recordCVE-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 t
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 24, 2026
- CVE.orgOct 16, 2026
- NIST NVDOct 15, 2026