CVE-2026-29121 `/sbin/ip` Binary given SETUID Permissions on IDC SFX2100 Leading to Potential LPE

What is CVE-2026-29121?

CVE-2026-29121 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

International Data Casting (IDC) SFX2100 satellite receiver comes with the `/sbin/ip` utility installed with the setuid bit set. This configuration grants elevated privileges to any local user who can execute the binary. A local actor is able to use the GTFObins resource to preform privileged file reads as the root user on the local file system and may potentially lead to other avenues for preforming privileged actions.

Weakness: CWE-269

Which versions are affected by CVE-2026-29121?

It affects 1 product.

Products include Datacast Sfx2100 Firmware.

How do I fix CVE-2026-29121?

No fix has been published for CVE-2026-29121 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-29121 being exploited?

There is no known exploitation of CVE-2026-29121 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-v5cx-cj66-9x2m.