CVE-2026-28777

Severity CVSS v4.0:

CRITICAL

Type:

CWE-798 Use of Hard-coded Credentials

Publication date:

04/03/2026

Last modified:

04/03/2026

Description

International Datacasting Corporation (IDC) <br /> <br /> 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.

Impact

Vector 4.0

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 v4.0 Severity and Metrics:

Base Score: 9.20 CRITICAL
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

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): None
Availability (VA): None
Confidentiality (SC): High
Integrity (SI): None
Availability (SA): None

Base Score 4.0

9.20

Severity 4.0

CRITICAL

References to Advisories, Solutions, and Tools

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