CVE-2026-29126
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
ProductDatacast Sfx2100 Firmware
PublishedMar 5, 2026
First seenMar 5, 2026
Weakness typeCWE-732CWE-732
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| datacast sfx2100_firmware | No range specified | — |
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