CVE•Published 2026-03-16•Modified 2026-04-14•1 article on news•7 live references•NVD data
CVE-2017-20223Telesquare · Sdt-cs3b1_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
Telesquare SKT LTE Router SDT-CS3B1 firmware version 1.2.0 contains an insecure direct object reference vulnerability that allows attackers to bypass authorization and access resources by manipulating user-supplied input parameters. Attackers can directly reference objects in the system to retrieve sensitive information and access functionalities without proper access controls.
Timeline
Published 2026-03-16
Modified 2026-04-14
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2017-20223Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Sdt-cs3b1 Firmware"Hosts Shodan identified as running Sdt-cs3b1 Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2017-20223Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2017-20223Censys host search filtered to this CVE id.
grep.app
CVE-2017-20223Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2017-20223GitHub code search for direct mentions.
Google dork
"CVE-2017-20223" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.