What is CVE-2026-28777?

CVE-2026-28777 is a critical-severity vulnerability in Datacast Sfx2100, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-03-04.

How severe is CVE-2026-28777?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Datacast Sfx2100

CVE-2026-28777

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 dropp…

EPSS: 0.005 (38.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Datacast Sfx2100
Datacast Sfx2100_firmware
International Datacasting Corporation (Idc) Sfx2100 Satellite Receiver — versions SFX2100

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

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

Frequently asked questions

What is CVE-2026-28777?: CVE-2026-28777 is a critical-severity vulnerability in Datacast Sfx2100, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-03-04.
How severe is CVE-2026-28777?: Critical severity. CVSS v3 base score is 9.8 out of 10.