CVE-2026-28777 PUBLISHED

Hardcoded and Insecure Credentials for "User" Local Account with SSH Access On IDC SFX2100 Satellite Receiver

Assigner: Gridware
Reserved: 03.03.2026 Published: 04.03.2026 Updated: 04.03.2026

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.

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 9.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	International Datacasting Corporation (IDC)
Product	SFX2100 Satellite Receiver
Versions	Default: unaffected Version SFX2100 is affected

Credits

Abdul Mhanni finder

References

https://www.abdulmhsblog.com/posts/spfx-vulnrabilities/

Problem Types

CWE-798: Use of Hard-coded Credentials CWE

Impacts

Unauthorized SSH Access / System Compromise