CVE-2026-29125 PUBLISHED

IDC SFX2100 Satellite Receiver allows unprivileged modification of DNS configuration due to world-writable `/etc/resolv.conf`

Assigner: Gridware
Reserved: 04.03.2026 Published: 05.03.2026 Updated: 05.03.2026

IDC SFX2100 Satalite Recievers set the /etc/resolv.conf file to be world-writable by any local user, allowing DNS resolver tampering that can redirect network communications, facilitate man-in-the-middle attacks, and cause denial of service.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H
CVSS Score: 7.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	Low	Confidentiality	Low
Attack Complexity	High	Integrity	Low	Integrity	Low
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	International Datacasting Corporation
Product	SFX2100 Satellite Receiver
Versions	Default: affected Version SFX2100 is affected

Credits

Abdul Mhanni finder

References

https://www.abdulmhsblog.com/posts/sfx2100-vulns/

Problem Types

CWE-732 Incorrect Permission Assignment for Critical Resource CWE

Impacts

CAPEC-598 DNS Spoofing