Telesquare SDT-CW3B1 1.1.0 is affected by an OS command injection vulnerability that…
Priority CRITICAL 86CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
Telesquare SDT-CW3B1 1.1.0 is affected by an OS command injection vulnerability that allows a remote attacker to execute OS commands without any authentication.
Why it matters now
EPSS 0.94425 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:telesquare:sdt-cs3b1_firmware:1.1.0:*:*:*:*:*:*:* | 1.1.0 | Vulnerable | Telesquare |
| cpe:2.3:h:telesquare:sdt-cs3b1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Telesquare |
- cpe:2.3:o:telesquare:sdt-cs3b1_firmware:1.1.0:*:*:*:*:*:*:* Versions 1.1.0 Vulnerable ·Telesquare
- cpe:2.3:h:telesquare:sdt-cs3b1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Telesquare
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-46422
- 2026-10-03 Alias added: GHSA-8557-gh6f-6c42
References
More Telesquare Sdt-cs3b1 Firmware vulnerabilities
- TI-2017-14290 Telesquare SKT LTE Router SDT-CS3B1 WebDAV Arbitrary File Upload CVSS 4.0CRITICAL 9.3
- TI-2017-14289 Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference CVSS 4.0CRITICAL 9.3
- TI-2017-14288 Telesquare SKT LTE Router SDT-CS3B1 Unauthenticated Remote Reboot CVSS 4.0HIGH 8.7
- TI-2017-14287 Telesquare SKT LTE Router SDT-CS3B1 CSRF System Command Execution CVSS 4.0MEDIUM 5.3
- TI-2018-08987 Telesquare SDT-CS3B1 and SDT-CW3B1 devices through 1.2.0 have a default factory account. CVSS 3.0CRITICAL 9.8
Sources
- CVE-2021-46422 · CVE Program
- CVE-2021-46422 · NVD
- FIRST EPSS
- GHSA-8557-gh6f-6c42 · GitHub Advisory Database · CC BY 4.0
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