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CVE-2026-28775— Unauthenticated RCE via SNMP Default Writable Community String

Quick assessment

Affected
International Datacasting Corporation (IDC) SFX2100 Series SuperFlex SatelliteReceiver
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 Corporation International Datacasting SFX2100 SuperFlex Satellite Receiver是美国International Datacasting Corporation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SNMP服务不安全地配置了具有读写权限的私

AI Predicted 10.0 Difficulty: Easy EPSS 1.13% · P65
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I. Basic Information for CVE-2026-28775

Vulnerability Information
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Vulnerability Title
Unauthenticated RCE via SNMP Default Writable Community String
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated Remote Code Execution (RCE) vulnerability exists in the SNMP service of International Datacasting Corporation (IDC) SFX Series SuperFlex SatelliteReceiver. The deployment insecurely provisions the `private` SNMP community string with read/write access by default. Because the SNMP agent runs as root, an unauthenticated remote attacker can utilize `NET-SNMP-EXTEND-MIB` directives, abusing the fact that the system runs a vulnerable version of net-snmp pre 5.8, to execute arbitrary operating system commands with root privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的默认资源初始化
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 Corporation International Datacasting SFX2100 SuperFlex Satellite Receiver是美国International Datacasting Corporation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SNMP服务不安全地配置了具有读写权限的私
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) SFX2100 Series SuperFlex SatelliteReceiver SFX2100 -

II. Public POCs for CVE-2026-28775

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III. Intelligence Information for CVE-2026-28775

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Security Blog Posts for CVE-2026-28775 (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-2026-29119 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-2026-28776 Hardcoded and Insecure Credentials for "monitor" account with SSH Access On IDC SFX2100 Sa
CVE-2026-28778 Hardcoded FTP Credentials and LPE(via Insecure Permissions) for `xd` Local Account on IDC

IV. Related Vulnerabilities

Same product: SFX2100 Series SuperFlex SatelliteReceiver
Same vendor: International Datacasting Corporation (IDC)
Same weakness: CWE-1188

V. Comments for CVE-2026-28775

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