Hardcoded and Insecure Credentials for "monitor" account with SSH Access On IDC SFX2100 Satellite Receiver
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-798.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| International Datacasting Corporation (IDC) | IDC SFX2100 SuperFlex Satellite Receiver | SFX2100 and later | — | No fix listed | CNA |
- IDC SFX2100 SuperFlex Satellite Receiver VendorInternational Datacasting Corporation (IDC) Affected SFX2100 and later Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:datacast:sfx2100_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | International Datacasting Corporation (IDC) |
| cpe:2.3:h:datacast:sfx2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | International Datacasting Corporation (IDC) |
- cpe:2.3:o:datacast:sfx2100_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·International Datacasting Corporation (IDC)
- cpe:2.3:h:datacast:sfx2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·International Datacasting Corporation (IDC)
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-28776
- 2026-10-03 Alias added: GHSA-wh7x-5725-86jp
- 2026-10-16 EPSS moved to the 50th–90th percentile
- 2026-10-25 EPSS moved to the below the 50th percentile
References
More International Datacasting Corporation (IDC) Sfx2100 Firmware vulnerabilities
- TI-2026-23266 Incorrect Permission Assignment(777) on `monitor` Users Home Directory Containing SUID Root Binaries in IDC SFX2100 CVSS 4.0CRITICAL 9.2
- TI-2026-23267 IDC SFX2100 Satellite Receiver bgpd/ospfd/ripd/zebra Config Credential Disclosure via World-Readable Files CVSS 4.0HIGH 8.6
- TI-2026-23265 World-Writable, Root Owned/Run `/etc/udhcpc/default.script` in IDC SFX2100 Satellite Receiver Leads To Potential LPE CVSS 4.0HIGH 8.5
- TI-2026-22970 Unauthenticated RCE via SNMP Default Writable Community String CVSS 4.0CRITICAL 10.0
- TI-2026-22969 Authenticated OS Command Injection via Traceroute Utility leads to Root RCE CVSS 4.0CRITICAL 9.3
- TI-2026-22968 Authenticated OS Command Injection via Ping Utility Leading to RCE as Root CVSS 4.0CRITICAL 9.3
Sources
- CVE-2026-28776 · CVE Program
- CVE-2026-28776 · NVD
- FIRST EPSS
- GHSA-wh7x-5725-86jp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences