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Sfx2100 Firmware CVE-2026-28778

CRITICAL
Use of Hard-coded Credentials (CWE-798)
2026-03-04 b7efe717-a805-47cf-8e9a-921fca0ce0ce
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:05 vuln.today
CVE Published
Mar 04, 2026 - 08:16 nvd
CRITICAL 9.8

DescriptionCVE.org

International Datacasting Corporation (IDC) SFX Series SuperFlex Satellite Receiver contains undocumented, hardcoded/insecure credentials for the xd user account. A remote unauthenticated attacker can log in via FTP using these credentials. Because the xd user has write permissions to their home directory where root-executed binaries and symlinks (such as those invoked by xdstartstop) are stored, the attacker can overwrite these files or manipulate symlinks to achieve arbitrary code execution as the root user.

AnalysisAI

Hardcoded/insecure credentials in IDC SFX Series SuperFlex Satellite Receiver. Multiple accounts with known credentials enable complete device takeover.

Technical ContextAI

CWE-798/CWE-1188. Multiple hardcoded accounts in satellite broadcasting equipment.

RemediationAI

Apply firmware update. Change all default credentials.

CVE-2026-29128 CRITICAL POC
10.0 Mar 05

Plaintext daemon credentials in IDC SFX2100 routing config files (zebra, bgpd, ospfd, ripd). CVSS 10.0. PoC available.

CVE-2026-28775 CRITICAL POC
9.8 Mar 04

Hardcoded/insecure credentials in IDC SFX Series SuperFlex Satellite Receiver. Multiple accounts with known credentials

CVE-2026-28773 HIGH POC
8.8 Mar 04

Authenticated attackers can execute arbitrary OS commands with root privileges on IDC SFX2100 satellite receivers throug

CVE-2026-28774 HIGH POC
8.8 Mar 04

Authenticated attackers can achieve remote code execution with root privileges on IDC SFX2100 satellite receiver devices

CVE-2026-28770 HIGH POC
8.8 Mar 04

XML injection in the IDC SFX2100 satellite receiver web interface allows authenticated attackers to inject arbitrary XML

CVE-2026-29121 HIGH POC
7.8 Mar 05

The setuid bit on the /sbin/ip utility in IDC SFX2100 satellite receiver firmware allows local users to execute privileg

CVE-2026-29126 HIGH POC
7.8 Mar 05

Sfx2100 Firmware versions up to - is affected by incorrect permission assignment for critical resource (CVSS 7.8).

CVE-2026-29124 HIGH POC
7.8 Mar 05

Sfx2100 Satellite Receiver firmware contains multiple SUID root binaries in predictable locations that allow local privi

CVE-2026-29123 HIGH POC
7.8 Mar 05

Local privilege escalation in IDC SFX2100 firmware affects Linux systems through a SUID binary vulnerable to PATH hijack

CVE-2026-29127 HIGH POC
7.8 Mar 05

Local privilege escalation in IDC SFX2100 Satellite Receiver firmware occurs due to overly permissive file system permis

CVE-2026-28769 MEDIUM POC
6.5 Mar 04

Authenticated users can exploit a path traversal vulnerability in the SFX2100 firmware's logging interface to enumerate

CVE-2026-28772 MEDIUM POC
6.1 Mar 04

Reflected XSS in IDC SFX2100 Firmware's logging interface allows remote attackers to inject malicious scripts through th

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CVE-2026-28778 vulnerability details – vuln.today

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