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

Quick assessment

Affected
International Datacasting Corporation (IDC) IDC SFX2100 SuperFlex Satellite Receiver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

International Datacasting SFX2100 SuperFlex Satellite Receiver是美国International Datacasting公司的一个专业广播级卫星信号接收设备。 International Datacasting SFX2100 SuperFlex Satellite Receiver存在安全漏洞，该漏洞源于monitor账户存在硬编码凭证，可能导致未经身份验证的远程访问。

AI Predicted 9.1 Difficulty: Trivial EPSS 0.65% · P50
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I. Basic Information for CVE-2026-28776

Vulnerability Information
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Vulnerability Title
Hardcoded and Insecure Credentials for "monitor" account with SSH Access On IDC SFX2100 Satellite Receiver
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5
Vulnerability Title
International Datacasting SFX2100 SuperFlex Satellite Receiver 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
International Datacasting SFX2100 SuperFlex Satellite Receiver是美国International Datacasting公司的一个专业广播级卫星信号接收设备。 International Datacasting SFX2100 SuperFlex Satellite Receiver存在安全漏洞，该漏洞源于monitor账户存在硬编码凭证，可能导致未经身份验证的远程访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
International Datacasting Corporation (IDC) IDC SFX2100 SuperFlex Satellite Receiver SFX2100 -

II. Public POCs for CVE-2026-28776

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III. Intelligence Information for CVE-2026-28776

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Security Blog Posts for CVE-2026-28776 (2)

Same Patch Batch · International Datacasting Corporation (IDC) · 2026-03-04 · 11 CVEs total

CVE-2026-28770 XML injection In /IDC_Logging/checkifdone.cgi Endpoint On IDC SFX Web Management Interface
CVE-2026-28769 LFI in /IDC_Logging/checkifdone.cgi, "file" parameter Allowing for File Existence Enumerat
CVE-2026-28772 Reflected XSS in IDC_Logging Index endpoint
CVE-2026-28774 Authenticated OS Command Injection via Traceroute Utility leads to Root RCE
CVE-2026-28771 Reflected XSS In /index.cgi Endpoint On IDC Satellite Receiver Web Management Interface Ve
CVE-2026-28773 Authenticated OS Command Injection via Ping Utility Leading to RCE as Root
CVE-2026-28775 Unauthenticated RCE via SNMP Default Writable Community String
CVE-2026-29119 Hardcoded and Insecure Credentials for "Admin" Account providing Telnet Access on IDC SFX2
CVE-2026-28777 Hardcoded and Insecure Credentials for "User" Local Account with SSH Access On IDC SFX2100
CVE-2026-28778 Hardcoded FTP Credentials and LPE(via Insecure Permissions) for `xd` Local Account on IDC

IV. Related Vulnerabilities

Same product: IDC SFX2100 SuperFlex Satellite Receiver
Same vendor: International Datacasting Corporation (IDC)
Same weakness: CWE-798

V. Comments for CVE-2026-28776

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