Medium severity · published Mar 4, 2026
CVE-2026-28771
Reflected XSS In /index.cgi Endpoint On IDC Satellite Receiver Web Management Interface Version 101
6.1
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
SF
Sfx2100 Firmware · Datacast
All versions, or not specified · source: NVD
Affected product
SS
SFX Series SuperFlex Satellite Receiver Web Management Interface
International Datacasting Corporation (IDC)
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28771
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28771
Exploit
https://www.abdulmhsblog.com/posts/sfx2100-vulns/
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8.8
CVE-2026-28770
XML injection In /IDC_Logging/checkifdone.cgi Endpoint On IDC SFX Web Management Interface Version 101