CVE-2026-28771
Reflected XSS in IDC SFX Series /index.cgi Allows Remote Code Execution
Publication date: 2026-03-04
Last updated on: 2026-03-09
Assigner: Gridware
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| datacast | sfx2100_firmware | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Reflected Cross-Site Scripting (XSS) issue found in the /index.cgi endpoint of the International Datacasting Corporation (IDC) SFX Series SuperFlex Satellite Receiver Web Management Interface version 101.
The problem occurs because the application does not properly sanitize user input provided via the 'cat' parameter before reflecting it back in the HTTP response.
As a result, a remote attacker can inject and execute arbitrary HTML or JavaScript code in the victim's browser, potentially leading to malicious actions within the context of the affected web interface.
How can this vulnerability impact me? :
This vulnerability can allow a remote attacker to execute arbitrary HTML or JavaScript code in the context of the victim's browser when they access the vulnerable web interface.
Such execution can lead to various impacts including theft of sensitive information, session hijacking, or performing actions on behalf of the victim without their consent.
Because the vulnerability requires user interaction (UI:A), the attacker typically needs to trick the victim into clicking a malicious link or visiting a crafted webpage.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know