Auth bypass in Telesquare Sdt-Cs3b1
CVE-2017-20222
Telesquare SKT LTE Router SDT-CS3B1 software version 1.2.0 contains an unauthenticated remote reboot vulnerability that allows attackers to trigger device reboot without authentication. Attackers can send POST requests to the lte.cgi endpoint with the Command=Reboot parameter to cause denial of service by forcing the router to restart.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · 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-2017-5444.php (Exploit, Third Party Advisory, third-party-advisory)
- cxsecurity.com/issue/WLB-2017120300 (Exploit, Issue Tracking, third-party-advisory)
- packetstormsecurity.com/files/145555 (Exploit, Third Party Advisory, exploit)
- www.exploit-db.com/exploits/43401/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- exchange.xforce.ibmcloud.com/vulnerabilities/136825 (Third Party Advisory, vdb-entry)
- www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-unauthenticate… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2017-20222?
- CVE-2017-20222 is a high-severity vulnerability in Telesquare Sdt-Cs3b1, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-03-16.
- How severe is CVE-2017-20222?
- High severity. CVSS v3 base score is 7.5 out of 10.