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CVE-2026-29127— Incorrect Permission Assignment(777) on `monitor` Users Home Directory Containing SUID Root Binaries in IDC SFX2100

Quick assessment

Affected
International Datacasting Corporation SFX2100 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用户主目录文件系统权限过于宽松，可能导致本地权限提升。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1548 · Abuse Elevation Control Mechanism
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I. Basic Information for CVE-2026-29127

Vulnerability Information
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Vulnerability Title
Incorrect Permission Assignment(777) on `monitor` Users Home Directory Containing SUID Root Binaries in IDC SFX2100
Source: CVE Program / CVE List V5
Vulnerability Description
The IDC SFX2100 Satellite Receiver sets overly permissive file system permissions on the monitor user's home directory. The directory is configured with permissions 0777, granting read, write, and execute access to all local users on the system, which may cause local privilege escalation depending on conditions of the system due to the presence of highly privileged processes and binaries residing within the affected directory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
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用户主目录文件系统权限过于宽松，可能导致本地权限提升。
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 SFX2100 Satellite Receiver SFX2100 -

II. Public POCs for CVE-2026-29127

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III. Intelligence Information for CVE-2026-29127

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Security Blog Posts for CVE-2026-29127 (2)

Same Patch Batch · International Datacasting Corporation · 2026-03-05 · 8 CVEs total

CVE-2026-29121 `/sbin/ip` Binary given SETUID Permissions on IDC SFX2100 Leading to Potential LPE
CVE-2026-29123 Multiple SUID Root Binaries in `xd` User Home Directory Leading to Potential Local Privile
CVE-2026-29122 `/bin/date` Binary given SETUID Permissions on IDC SFX2100 Leading to Potential LPE
CVE-2026-29125 IDC SFX2100 Satellite Receiver allows unprivileged modification of DNS configuration due t
CVE-2026-29124 Multiple SUID Root Binaries in `monitor` User Home Directory Leading to Potential Local Pr
CVE-2026-29126 World-Writable, Root Owned/Run `/etc/udhcpc/default.script` in IDC SFX2100 Satellite Recei
CVE-2026-29128 IDC SFX2100 Satellite Receiver bgpd/ospfd/ripd/zebra Config Credential Disclosure via Worl

IV. Related Vulnerabilities

Same product: SFX2100 Satellite Receiver
Same vendor: International Datacasting Corporation
Same weakness: CWE-269

V. Comments for CVE-2026-29127

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