CVE-2026-28771 — MEDIUM (6.1)

Vulnerability Description

A Reflected Cross-Site Scripting (XSS) vulnerability exists in the /index.cgi endpoint of International Datacasting Corporation (IDC) SFX Series SuperFlex Satellite Receiver Web Management Interface version 101. The application fails to adequately sanitize user-supplied input provided via the `cat` parameter before reflecting it in the HTTP response, allowing a remote attacker to execute arbitrary HTML or JavaScript in the victim's browser context.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Datacast	Sfx2100 Firmware	-
Datacast	Sfx2100	-

Related Weaknesses (CWE)

CWE-79

References

https://www.abdulmhsblog.com/posts/sfx2100-vulns/ExploitThird Party Advisory

FAQ

What is CVE-2026-28771?

CVE-2026-28771 is a vulnerability with a CVSS score of 6.1 (MEDIUM). A Reflected Cross-Site Scripting (XSS) vulnerability exists in the /index.cgi endpoint of International Datacasting Corporation (IDC) SFX Series SuperFlex Satellite Receiver Web Management Interface v...

How severe is CVE-2026-28771?

CVE-2026-28771 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-28771?

Check the references section above for vendor advisories and patch information. Affected products include: Datacast Sfx2100 Firmware, Datacast Sfx2100.