Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference
Published Mar 16, 2026
9.3
CRITICALCVSS 4.0
EPSS 0.52%
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.
Affected products
-
- Version 1.2.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Telesquare | Sdt-Cs3b1 | n/a |
|
- 1.2.0
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Mar 16, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Mar–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.52% (0.00524) | 42.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.52% (0.00524) | 40.04th | v5 (v2026.06.15) |
| Mar 16, 2026 | 0.05% (0.00053) | 16.28th | v4 (v2025.03.14) |
References (6)
- https://cxsecurity.com/issue/WLB-2017120297 third-party-advisoryIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/136993 vdb-entryThird Party Advisory
- https://packetstormsecurity.com/files/145551 exploitThird Party Advisory
- https://www.exploit-db.com/exploits/43402/ exploitThird Party AdvisoryVDB Entry
- https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-insecure-direct-object-reference third-party-advisoryThird Party Advisory
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5445.php third-party-advisoryThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://cxsecurity.com/issue/WLB-2017120297 | third-party-advisoryIssue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/136993 | vdb-entryThird Party Advisory | |
| https://packetstormsecurity.com/files/145551 | exploitThird Party Advisory | |
| https://www.exploit-db.com/exploits/43402/ | exploitThird Party AdvisoryVDB Entry | |
| https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-insecure-direct-object-reference | third-party-advisoryThird Party Advisory | |
| https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5445.php | third-party-advisoryThird Party Advisory |
Change history (0)
No recorded changes yet.