Vulnerability · Published Mar 5, 2026 · Assigned by Gridware
CVE-2026-29126World-Writable, Root Owned/Run `/etc/udhcpc/default.script` in IDC SFX2100 Satellite Receiver Leads To Potential LPE
High 8.5
In plain English
A high-severity incorrect permission assignment in SFX2100 Satellite Receiver from International Datacasting Corporation. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| International Datacasting Corporation | SFX2100 Satellite Receiver | SFX2100 |
Weakness: CWE-732 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:H/SI:H/SA:H/AU:N/R:U