How to Fix CVE-2026-29123: SFX2100 Satellite Receiver (Bundle Sibling)
By Sai Kiran Pandrala. Last verified: 2026-05-25.
CVE-2026-29123 is a sibling vulnerability in the same vendor advisory as CVE-2026-28769. Apply the same patched build and you close both. The technical detail below is what differs.
| Severity | 8.6 (High) |
|---|---|
| Actively exploited? | No public listing in CISA KEV |
| Affected | SFX2100 Satellite Receiver SFX2100 |
| Fixed in | Same patched build as CVE-2026-28769 |
| Type (CWE) | CWE-269 Improper Privilege Management |
What's different about CVE-2026-29123?
A SUID root-owned binary in /home/xd/terminal/XDTerminal in International Data Casting (IDC) SFX2100 on Linux allows a local actor to potentially preform local privilege escalation depending on conditions of the system via execution of the affected SUID binary. This can be via PATH hijacking, symlink abuse or shared object hijacking.
How to fix CVE-2026-29123
Apply the patched build per the primary write-up: How to Fix CVE-2026-28769. All commands, verification steps, and rollback notes for SFX2100 Satellite Receiver are listed there.
Frequently asked questions
Does the CVE-2026-28769 patch close CVE-2026-29123?
Yes. Both CVEs are addressed by the same vendor patch. Applying the patched build closes the full bundle.
Is CVE-2026-29123 listed in CISA KEV?
No public KEV listing at the time of this writing.
Where is the official advisory?
See https://www.abdulmhsblog.com/posts/sfx2100-vulns/
References
- Official vendor advisory: https://www.abdulmhsblog.com/posts/sfx2100-vulns/
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-29123
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Primary: How to Fix CVE-2026-28769
*Written by Sai Kiran Pandrala. Part of the SFX2100 Satellite Receiver bundle. Full procedure at how-to-fix-cve-2026-28769.*