CVE-2026-28771

MEDIUM
2026-03-04 b7efe717-a805-47cf-8e9a-921fca0ce0ce
6.1
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:05 vuln.today
PoC Detected
Mar 09, 2026 - 18:23 vuln.today
Public exploit code
CVE Published
Mar 04, 2026 - 08:16 nvd
MEDIUM 6.1

Tags

XSS Sfx2100 Firmware

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.

Analysis

The SFX2100 web management interface fails to sanitize the `cat` parameter in /index.cgi, enabling reflected XSS attacks that allow remote attackers to execute arbitrary JavaScript in a victim's browser without authentication. Public exploit code exists for this vulnerability, and currently no patch is available. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

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Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +30
POC: +20

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CVE-2026-28771 vulnerability details – vuln.today
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