CVE-2026-28777

International Datacasting Corporation (IDC) SFX2100 Satellite Receiver, trivial password for the `user` (usr) account. A remote unauthenticated attacker can exploit this to gain unauthorized SSH access to the system, while intially dropped into a restricted shell, an attacker can trivially spawn a complete pty to gain an appropriately interactive shell.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.abdulmhsblog.com/posts/sfx2100-vulns/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:datacast:sfx2100_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:datacast:sfx2100:-:*:*:*:*:*:*:*

History

17 Mar 2026, 17:05

Type	Values Removed	Values Added
References	~~() https://www.abdulmhsblog.com/posts/sfx2100-vulns/ -~~	() https://www.abdulmhsblog.com/posts/sfx2100-vulns/ - Exploit, Third Party Advisory
Summary		(es) International Datacasting Corporation (IDC) Receptor de satélite SFX2100, contraseña trivial para la cuenta 'user' (usr). Un atacante remoto no autenticado puede explotar esto para obtener acceso SSH no autorizado al sistema; aunque inicialmente se le coloque en un shell restringido, un atacante puede generar trivialmente un pty completo para obtener un shell interactivo adecuado.
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
First Time		Datacast Datacast sfx2100 Datacast sfx2100 Firmware
CPE		cpe:2.3:h:datacast:sfx2100:-:::::::* cpe:2.3:o:datacast:sfx2100_firmware:-:::::::*

05 Mar 2026, 06:16

Type	Values Removed	Values Added
References	~~{'url': 'https://www.abdulmhsblog.com/posts/spfx-vulnrabilities/', 'source': 'b7efe717-a805-47cf-8e9a-921fca0ce0ce'}~~	() https://www.abdulmhsblog.com/posts/sfx2100-vulns/ -

04 Mar 2026, 08:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-04 08:16

Updated : 2026-03-17 17:05

NVD link : CVE-2026-28777

Mitre link : CVE-2026-28777

CVE.ORG link : CVE-2026-28777

JSON object : View

Products Affected

datacast

sfx2100
sfx2100_firmware

CWE

CWE-798

Use of Hard-coded Credentials

{"id": "CVE-2026-28777", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "b7efe717-a805-47cf-8e9a-921fca0ce0ce", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.2, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-03-04T08:16:14.113", "references": [{"url": "https://www.abdulmhsblog.com/posts/sfx2100-vulns/", "tags": ["Exploit", "Third Party Advisory"], "source": "b7efe717-a805-47cf-8e9a-921fca0ce0ce"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "b7efe717-a805-47cf-8e9a-921fca0ce0ce", "description": [{"lang": "en", "value": "CWE-798"}]}], "descriptions": [{"lang": "en", "value": "International Datacasting Corporation (IDC) \n\nSFX2100 Satellite Receiver, trivial password for the `user` (usr) account. A remote unauthenticated attacker can exploit this to gain unauthorized SSH access to the system, while intially dropped into a restricted shell, an attacker can trivially spawn a complete pty to gain an appropriately interactive shell."}, {"lang": "es", "value": "International Datacasting Corporation (IDC)\n\nReceptor de sat\u00e9lite SFX2100, contrase\u00f1a trivial para la cuenta 'user' (usr). Un atacante remoto no autenticado puede explotar esto para obtener acceso SSH no autorizado al sistema; aunque inicialmente se le coloque en un shell restringido, un atacante puede generar trivialmente un pty completo para obtener un shell interactivo adecuado."}], "lastModified": "2026-03-17T17:05:35.710", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:datacast:sfx2100_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7C57B6A9-CAF9-4C8A-85FC-562E16F291FE"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:datacast:sfx2100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2A3BC5C9-39D5-4908-B470-A46E9ECFD6AB"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "b7efe717-a805-47cf-8e9a-921fca0ce0ce"}