CVE-2026-28776 PUBLISHED

Hardcoded and Insecure Credentials for "monitor" 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) SFX Series SuperFlex SatelliteReceiver contains hardcoded credentials for the monitor account. A remote unauthenticated attacker can use these trivial, undocumented credentials to access the system via SSH. While initially dropped into a restricted shell, the attacker can trivially break out to achieve standard shell functionality.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:L/SA:N
CVSS Score: 7.8

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

CVSS 4.0

Product Status

Vendor	International Datacasting Corporation (IDC)
Product	IDC SFX2100 SuperFlex Satellite Receiver
Versions	Default: affected 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