CVE-2026-29126

8.5 highEPSS 0.2%

High (8.5) in datacast sfx2100 firmware. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.5 high

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

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-31)
CWEs: CWE-863, CWE-732
Published: 2026-03-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

datacast:sfx2100_firmware

References

Check your stack JSON