CVE-2026-29127 Incorrect Permission Assignment(777) on `monitor` Users Home Directory Containing SUID Root Binaries in IDC SFX2100
Local attackers can escalate privileges due to overly permissive 0777 permissions on the monitor user's home directory containing SUID binaries.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-29127?
CVE-2026-29127 is a critical vulnerability in International Datacasting Corporation SFX2100 Satellite Receiver, published on 5 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-29127?
It affects 1 product.
Products include Datacast Sfx2100 Firmware.
How do I fix CVE-2026-29127?
No fix has been published for CVE-2026-29127 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-29127 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-29127 exists.
Other vulnerabilities in International Datacasting Corporation SFX2100 Satellite Receiver
- CVE-2026-28775 Unauthenticated RCE via SNMP Default Writable Community String
- CVE-2026-28773 Authenticated OS Command Injection via Ping Utility Leading to RCE as Root
- CVE-2026-28774 Authenticated OS Command Injection via Traceroute Utility leads to Root RCE
- CVE-2026-28777 Hardcoded and Insecure Credentials for "User" Local Account with SSH Access On IDC SFX2100 Satellite Receiver
- CVE-2026-29120 Insecure, Hardcoded Root Password Stored in Anaconda Configuration File On IDC SFX2100 Satellite Receiver
Sources
Also known as GHSA-ghhf-ppff-f3pr.