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

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-03-05 · updated 2026-06-17
Weakness: CWE-732

Description

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 products

International Datacasting Corporation SFX2100 Satellite Receiver: all versions

References

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

Get alerted when CVE-2026-29125 or the next vulnerability affects your stack