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Sfx2100 Firmware CVE-2026-29119

CRITICAL
Use of Hard-coded Credentials (CWE-798)
2026-03-04 b7efe717-a805-47cf-8e9a-921fca0ce0ce
Authentication Bypass Sfx2100 Firmware
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:05 vuln.today
CVE Published
Mar 04, 2026 - 08:16 nvd
CRITICAL 9.8

DescriptionCVE.org

International Datacasting Corporation (IDC) SFX Series SuperFlex(SFX2100) SatelliteReceiver contains hardcoded and insecure credentials for the admin account. A remote unauthenticated attacker can use these undocumented credentials to access the satellite system directly via the Telnet service, leading to potential system compromise.

AnalysisAI

Hardcoded/insecure credentials in IDC SFX Series SuperFlex Satellite Receiver. Multiple accounts with known credentials enable complete device takeover.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Discover Telnet service on SFX2100 receiver
Delivery
Connect remotely to Telnet port
Exploit
Supply hardcoded admin credentials
Execution
Authenticate as admin user
Impact
Execute arbitrary commands on satellite system
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Vulnerability AssessmentAI

Exploitation IDC SFX Series SuperFlex SFX2100 satellite receiver with default hardcoded admin credentials enabled and Telnet service accessible on network. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 9.8. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Login with known credentials to control satellite receiver.
Remediation Apply firmware update. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Identify all affected systems and apply vendor patches immediately. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-29119 vulnerability details – vuln.today
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