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

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-03-05 · updated 2026-06-17
Weakness: CWE-269

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.

Affected products

International Datacasting Corporation SFX2100 Satellite Receiver: all versions

References

https://gtfobins.org/gtfobins/ip/
https://www.abdulmhsblog.com/posts/sfx2100-vulns/

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