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High 8.5Published Mar 4, 2026

CVE-2026-29126World-Writable, Root Owned/Run `/etc/udhcpc/default.script` in IDC SFX2100 Satellite Receiver Leads To Potential LPE

Updated under an hour ago ()

Does this affect you?

It affects International Datacasting Corporation SFX2100 Satellite Receiver and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
8.5 HIGH (v4.0, CNA)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
Weakness (CWE)
CWE-732
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Gridware
NVD analysis
Analyzed
Record last updated
Mar 5, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
International Datacasting Corporation SFX2100 Satellite Receiver
international_datacasting:sfx2100_satellite_receiver (from the name)
SFX2100
CNA record
datacast sfx2100_firmware
datacast:sfx2100_firmware
all versions
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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