CVE-2026-28776 Hardcoded and Insecure Credentials for "monitor" account with SSH Access On IDC SFX2100 Satellite Receiver

What is CVE-2026-28776?

CVE-2026-28776 is a high-severity vulnerability in International Datacasting Corporation (IDC) IDC SFX2100 SuperFlex Satellite Receiver, published on 4 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

International Datacasting Corporation (IDC) SFX Series SuperFlex SatelliteReceiver contains hardcoded credentials for the `monitor` account. A remote unauthenticated attacker can use these trivial, undocumented credentials to access the system via SSH. While initially dropped into a restricted shell, the attacker can trivially break out to achieve standard shell functionality.

Weakness: CWE-798

Which versions are affected by CVE-2026-28776?

It affects 1 product.

Products include Datacast Sfx2100 Firmware.

How do I fix CVE-2026-28776?

No fix has been published for CVE-2026-28776 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-28776 being exploited?

There is no known exploitation of CVE-2026-28776 in the wild and no public exploit code.

Other vulnerabilities in International Datacasting Corporation (IDC) IDC SFX2100 SuperFlex Satellite Receiver

• CVE-2026-28775 Unauthenticated RCE via SNMP Default Writable Community String Critical 10.0
• CVE-2026-28773 Authenticated OS Command Injection via Ping Utility Leading to RCE as Root Critical 9.3
• CVE-2026-28774 Authenticated OS Command Injection via Traceroute Utility leads to Root RCE Critical 9.3
• CVE-2026-29127 Incorrect Permission Assignment(777) on `monitor` Users Home Directory Containing SUID Root Binaries in IDC SFX2100 Critical 9.2
• CVE-2026-28777 Hardcoded and Insecure Credentials for "User" Local Account with SSH Access On IDC SFX2100 Satellite Receiver Critical 9.2

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wh7x-5725-86jp.