CVE-2026-29123 Multiple SUID Root Binaries in `xd` User Home Directory Leading to Potential Local Privilege Escalation

What is CVE-2026-29123?

CVE-2026-29123 is a high-severity vulnerability in International Datacasting Corporation SFX2100 Satellite Receiver, published on 5 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A SUID root-owned binary in /home/xd/terminal/XDTerminal in International Data Casting (IDC) SFX2100 on Linux allows a local actor to potentially preform local privilege escalation depending on conditions of the system via execution of the affected SUID binary. This can be via PATH hijacking, symlink abuse or shared object hijacking.

Weakness: CWE-269

Which versions are affected by CVE-2026-29123?

It affects 1 product.

Products include Datacast Sfx2100 Firmware.

How do I fix CVE-2026-29123?

No fix has been published for CVE-2026-29123 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-29123 being exploited?

There is no known exploitation of CVE-2026-29123 in the wild and no public exploit code.

Other vulnerabilities in International Datacasting Corporation SFX2100 Satellite Receiver

• CVE-2026-28775 Unauthenticated RCE via SNMP Default Writable Community String Critical 10.0
• CVE-2026-28773 Authenticated OS Command Injection via Ping Utility Leading to RCE as Root Critical 9.3
• CVE-2026-28774 Authenticated OS Command Injection via Traceroute Utility leads to Root RCE Critical 9.3
• CVE-2026-29127 Incorrect Permission Assignment(777) on `monitor` Users Home Directory Containing SUID Root Binaries in IDC SFX2100 Critical 9.2
• CVE-2026-28777 Hardcoded and Insecure Credentials for "User" Local Account with SSH Access On IDC SFX2100 Satellite Receiver Critical 9.2

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4753-7q6g-548g.