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    CVE-2026-28778

    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.

    Published:Mar 4, 2026
    Last Modified:Apr 16, 2026
    EPS:Mar 4, 2026
    EPSS Score:0.00554
    CVSS Score:9.8

    Affected Products

    Vendor
    Datacast
    Product
    Sfx2100
    Vendor
    Datacast
    Product
    Sfx2100 Firmware
    Vendor
    International Datacasting Corporation (idc)
    Product
    Idc Sfx2100 Superflex Satellite Receiver

    Exploits

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

    Common Weakness Enumeration

    CWE-798 Use of Hard-coded Credentials

    Related CVEs

    CVE-2026-29128 (CVSS 8.6) — IDC SFX2100 Satellite Receiver firmware ships with multiple daemon configuration files for routing components …
    CVE-2026-29127 (CVSS 9.2) — The IDC SFX2100 Satellite Receiver sets overly permissive file system permissions on the monitor user's home d…
    CVE-2026-29126 (CVSS 8.5) — Incorrect permission assignment (world-writable file) in /etc/udhcpc/default.script in International Data Cast…
    CVE-2026-29125 (CVSS 7.1) — IDC SFX2100 Satalite Recievers set the `/etc/resolv.conf` file to be world-writable by any local user, allowin…
    CVE-2026-29124 (CVSS 8.6) — Multiple SUID root-owned binaries are found in /home/monitor/terminal, /home/monitor/kore-terminal, /home/moni…
    CVE-2026-29123 (CVSS 8.6) — A SUID root-owned binary in /home/xd/terminal/XDTerminal in International Data Casting (IDC) SFX2100 on Linux …
    CVE-2026-29122 (CVSS 8.3) — International Data Casting (IDC) SFX2100 satellite receiver comes with the `/bin/date` utility installed with …
    CVE-2026-29121 (CVSS 8.3) — International Data Casting (IDC) SFX2100 satellite receiver comes with the `/sbin/ip` utility installed with t…
    CVE-2026-29120 (CVSS 9.2) — The /root/anaconda-ks.cfg installation configuration file in International Datacasting Corporation (IDC) SFX S…
    CVE-2026-29119 (CVSS 8.8) — International Datacasting Corporation (IDC) SFX Series SuperFlex(SFX2100) SatelliteReceiver contains hardcoded…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High