What is CVE-2026-29121?

CVE-2026-29121 is a high-severity vulnerability in Datacast Sfx2100, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2026-03-05.

How severe is CVE-2026-29121?

High severity. CVSS v3 base score is 7.8 out of 10.

Privilege escalation in Datacast Sfx2100

CVE-2026-29121

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.

Vulnerability class: Privilege Escalation

EPSS: 0.001 (4.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Datacast Sfx2100
Datacast Sfx2100_firmware
International Datacasting Corporation Sfx2100 Satellite Receiver — versions SFX2100

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

b7efe717-a805-47cf-8e9a-921fca0ce0ce (Exploit, Third Party Advisory)
b7efe717-a805-47cf-8e9a-921fca0ce0ce (Exploit)

Frequently asked questions

What is CVE-2026-29121?: CVE-2026-29121 is a high-severity vulnerability in Datacast Sfx2100, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2026-03-05.
How severe is CVE-2026-29121?: High severity. CVSS v3 base score is 7.8 out of 10.