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CVE-2026-28777

CRITICAL CVSS 4.0: 9.2 EPSS 0.31%
Updated Mar 17, 2026
Datacast
Parameter Value
CVSS 9.2 (CRITICAL)
Type CWE-798 (Hardcoded Credentials)
Vendor Datacast
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Datacast Sfx2100_Firmware
cpe:2.3:o:datacast:sfx2100_firmware:-:*:*:*:*:*:*:*
Datacast Sfx2100
cpe:2.3:h:datacast:sfx2100:-:*:*:*:*:*:*:*