🛡️ CVE-2026-28778
🔴 CVSS 9.8 — Critical ⚠️ Exploit Public CWE-798 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-798
Public Exploit ⚠️ Yes
Source NVD
Published 2026-03-04
Updated 2026-06-02
Modified 2026-03-17
Fix URL N/A

Affected Packages

Software From version Fixed in
sfx2100-firmware — —

References

Similar Threats

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