CVE-2026-29125: IDC SFX2100 Satellite Receiver allows unprivileged modification of DNS configuration due to world-writable `/etc/resolv.conf`

Published Mar 5, 2026
·
Updated

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.

Affected Software

3 affected components
IDC SFX2100 Satellite Receiver
All of the following
Datacast Sfx2100 Firmware
Datacast SFX2100

Event History

Mar 5, 2026
CVE Published
via MITRE·01:38 AM
Data Sourced
via MITRE·01:38 AM
DescriptionWeakness
Data Sourced
via NVD·02:16 AM
DescriptionSeverityWeaknessAffected Software
May 22, 58164
Event
via FIRST·07:51 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-29125?

CVE-2026-29125 is considered a high severity vulnerability due to its potential for DNS resolver tampering.

2

How do I fix CVE-2026-29125?

To fix CVE-2026-29125, modify the permissions of the '/etc/resolv.conf' file to restrict write access to authorized users only.

3

Who is affected by CVE-2026-29125?

CVE-2026-29125 affects all users of the IDC SFX2100 Satellite Receiver that have not secured the '/etc/resolv.conf' file.

4

What is the primary risk associated with CVE-2026-29125?

The primary risk of CVE-2026-29125 is that an unprivileged user can alter DNS settings, potentially redirecting network traffic and compromising data integrity.

5

Is CVE-2026-29125 an exploit that requires remote access?

No, CVE-2026-29125 does not require remote access as it allows local users to modify the DNS configuration.

Contact

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