CVE-2026-28777

9.2 criticalEPSS 0.6%

Critical (9.2) in datacast sfx2100 firmware. EPSS 0.6% chance of exploitation in the next 30 days.

International Datacasting Corporation (IDC) SFX2100 Satellite Receiver, trivial password for the `user` (usr) account. A remote unauthenticated attacker can exploit this to gain unauthorized SSH access to the system, while intially dropped into a restricted shell, an attacker can trivially spawn a complete pty to gain an appropriately interactive shell.

Severity

CVSS 4.0

9.2 critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)
CWE: CWE-798
Published: 2026-03-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

datacast:sfx2100_firmware

References

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

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