What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-04 · updated 2026-06-17
• Weakness: CWE-798

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.

Affected products

• International Datacasting Corporation SFX2100 Satellite Receiver: all versions

References

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

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