CVE-2026-29126
Incorrect permission assignment (world-writable file) in /etc/udhcpc/default.script in International Data Casting (IDC) SFX2100 Satellite Receiver allows a local unprivileged attacker to potentially execute arbitrary commands with root privileges (local privilege escalation and persistence) via modification of a root-owned, world-writable BusyBox udhcpc DHCP event script, which is executed when a DHCP lease is obtained, renewed, or lost.
Published:Mar 5, 2026
Last Modified:Apr 16, 2026
EPS:Mar 5, 2026
EPSS Score:0.00016
CVSS Score:7.8
Affected Products
Vendor
Product
Action
Vendor
Datacast
Product
Sfx2100
Datacast
Sfx2100
Vendor
Datacast
Product
Sfx2100 Firmware
Datacast
Sfx2100 Firmware
Vendor
International Datacasting Corporation
Product
Sfx2100 Satellite Receiver
International Datacasting Corporation
Sfx2100 Satellite Receiver
Exploits
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
