CVE-2017-20224 Telesquare SKT LTE Router SDT-CS3B1 WebDAV Arbitrary File Upload
Unauthenticated attackers can upload malicious files via WebDAV methods on Telesquare LTE routers, leading to remote code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-20224?
CVE-2017-20224 is a critical vulnerability in Telesquare SDT-CS3B1, published on 16 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-434
Which versions are affected by CVE-2017-20224?
It affects 1 product.
Products include Telesquare Sdt-Cs3b1 Firmware.
How do I fix CVE-2017-20224?
No fix has been published for CVE-2017-20224 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-20224 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-20224 exists.
Other vulnerabilities in Telesquare SDT-CS3B1
- CVE-2021-46422 Command injection in n/a
- CVE-2018-12526 Hardcoded credentials in n/a
- CVE-2017-20223 Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference
- CVE-2017-20222 Telesquare SKT LTE Router SDT-CS3B1 Unauthenticated Remote Reboot
- CVE-2017-20221 Telesquare SKT LTE Router SDT-CS3B1 CSRF System Command Execution
Sources
Also known as GHSA-h2cv-xxpj-4w3f.