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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-28777

CVE-2026-28777

CRITICAL9.2

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

Published Mar 4, 2026

Modified 1 weeks ago

Details

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.

References

https://www.abdulmhsblog.com/posts/sfx2100-vulns/

https://www.cve.org/CVERecord?id=CVE-2026-28777

CVSS Analysis

CVSS v4.0

9.2

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Attack Requirements

NoneAT:N

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

HighVC:H

Vuln. Integrity

NoneVI:N

Vuln. Availability

NoneVA:N

Subsequent System

Subseq. Confidentiality

HighSC:H

Subseq. Integrity

NoneSI:N

Subseq. Availability

NoneSA:N

9.2/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

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedMar 4, 2026

ModifiedMar 5, 2026

CVE-2026-28777 | Mondoo Vulnerability Intelligence