What is the CVSS score of CVE-2026-28771?

CVE-2026-28771 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Sfx2100 Firmware are affected by CVE-2026-28771?

CVE-2026-28771 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

Is there a public PoC exploit available for CVE-2026-28771?

Yes, a public proof-of-concept exploit is available for CVE-2026-28771. Prioritise patching immediately. EPSS: 0.0%.

Sfx2100 Firmware CVE-2026-28771

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-03-04 b7efe717-a805-47cf-8e9a-921fca0ce0ce

XSS Sfx2100 Firmware

6.1

CVSS 3.1

CVSS VectorNVD

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

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

DescriptionNVD

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.

AnalysisAI

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. …

RemediationAI

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

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-28771 vulnerability details – vuln.today

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