by Kastro
Paper/Archive/CVE-2026-28777

CVE-2026-28777

International Datacasting Corporation (IDC) SFX2100 Satellite Receiver — Hardcoded and Insecure Credentials for "User" Local Account with SSH Access On IDC SFX2100 Satellite Receiver

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 46.2.462 × 209.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
SFX2100 Satellite ReceiverSFX2100–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Gridware (CNA)9.2CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refabdulmhsblog.com/posts/sfx2100-vulns