Home/CVE/Incorrect permission assignment (world-writable file) in /etc/udhcpc/default.script in International Data Casting (IDC)
CVE

CVE-2026-29126

Incorrect permission assignment (world-writable file) in /etc/udhcpc/default.script in International Data Casting (IDC)

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.

HIGH · CVSS 7.8 EPSS 0.00018
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0

Affected Products & Versions

1

Public Exploits & PoCs

1

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · b7efe717-a805-47cf-8e9a-921fca0ce0ce
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Mar 2026 · 02:16 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
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