How severe is CVE-2026-29123?

CVE-2026-29123 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-29123 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-29123?

CVE-2026-29123 affects Datacast Sfx2100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-29123?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-29123 have an EU (EUVD) identifier?

Yes. CVE-2026-29123 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9515.

When was CVE-2026-29123 published?

CVE-2026-29123 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2026-29123

CVE-2026-29123 is a high-severity vulnerability in Datacast Sfx2100 Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.6
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9515
Weakness: CWE-269
Affected product: Datacast Sfx2100 Firmware
Published: 2026-03-05
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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 severe is CVE-2026-29123?: CVE-2026-29123 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-29123 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-29123?: CVE-2026-29123 affects Datacast Sfx2100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-29123?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-29123 have an EU (EUVD) identifier?: Yes. CVE-2026-29123 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9515.
When was CVE-2026-29123 published?: CVE-2026-29123 was published on 2026-03-05 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:datacast:sfx2100_firmware:-:*:*:*:*:*:*:*

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