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Vulnerability record · CVE-2026-28777 · published 4 March 2026

CVE-2026-28777: Datacast sfx2100 firmware hard-coded credentials vulnerability

Datacast · Sfx2100 Firmware

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.

9.2 CVSS 4.0 Critical EPSS 0.63% · top 52.1% CWE-798 · Hard-coded credentials
9.2CVSS 4.0 base score
0.63%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.abdulmhsblog.com/posts/sfx2100-vulns/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2026-28775Datacast sfx2100 firmware insecure default initialization vulnerabilityAn unauthenticated Remote Code Execution (RCE) vulnerability exists in the SNMP service of International Datacasting Corporation (IDC) SFX Series Sup…EPSS 1.1%9.3CVE-2026-28773Datacast sfx2100 firmware os command injection vulnerabilityThe web-based Ping diagnostic utility (/IDC_Ping/main.cgi) in International Datacasting Corporation (IDC) SFX Series SuperFlex Satellite  Receiver We…EPSS 2.5%9.3CVE-2026-28774Datacast sfx2100 firmware os command injection vulnerabilityAn OS Command Injection vulnerability exists in the web-based Traceroute diagnostic utility of International Datacasting Corporation (IDC) SFX Series…EPSS 2.9%9.2CVE-2026-29127Datacast sfx2100 firmware improper privilege management vulnerabilityThe IDC SFX2100 Satellite Receiver sets overly permissive file system permissions on the monitor user's home directory. The directory is configured w…EPSS 0.15%9.2CVE-2026-29120Datacast sfx2100 firmware hard-coded credentials vulnerabilityThe /root/anaconda-ks.cfg installation configuration file in International Datacasting Corporation (IDC) SFX Series(SFX2100) SuperFlex Satellite Rece…EPSS 0.16%8.8CVE-2026-29119Datacast sfx2100 firmware hard-coded credentials vulnerabilityInternational Datacasting Corporation (IDC) SFX Series SuperFlex(SFX2100) SatelliteReceiver contains hardcoded and insecure credentials for the `admi…EPSS 0.63%8.6CVE-2026-29128Datacast sfx2100 firmware insufficiently protected credentials vulnerabilityIDC SFX2100 Satellite Receiver firmware ships with multiple daemon configuration files for routing components (e.g., zebra, bgpd, ospfd, and ripd) th…EPSS 0.29%8.6CVE-2026-29123Datacast sfx2100 firmware improper privilege management vulnerabilityA SUID root-owned binary in /home/xd/terminal/XDTerminal in International Data Casting (IDC) SFX2100 on Linux allows a local actor to potentially pre…EPSS 0.13%

Source: NIST National Vulnerability Database (record CVE-2026-28777), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.