CVE-2026-28770
Datacast Sfx2100 Firmware
Raw vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XSummary
CVE-2026-28770 is a medium-severity aka Blind XPath Injection (CWE-91) vulnerability in Datacast Sfx2100 Firmware. Its CVSS base score is 5.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Content Injection (T1659); ranked at the 30th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified map to SI-10 (Information Input Validation) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2026-28770 is an XML injection vulnerability stemming from improper neutralization of special elements in the /IDC_Logging/checkifdone.cgi script within the International Datacasting Corporation (IDC) SFX Series SuperFlex Satellite Receiver Web management Interface version 101. The issue occurs because the application reflects unsanitized user input from the `file` parameter directly into a CDATA block, allowing an attacker to break out of the tags and inject arbitrary XML elements. It is classified under CWE-91 with a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
An authenticated attacker with low privileges can exploit this vulnerability remotely over the network with low attack complexity and without requiring user interaction. Exploitation enables injection of arbitrary XML, which has been confirmed to result in reflected XSS; further abuse such as XXE may also be possible, potentially leading to high impacts on confidentiality, integrity, and availability.
Mitigation details are available in the advisory published at https://www.abdulmhsblog.com/posts/sfx2100-vulns/.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-9365
Vulnerability Data
Improper neutralization of special elements in the /IDC_Logging/checkifdone.cgi script in International Datacasting Corporation (IDC) SFX Series SuperFlex Satellite Receiver Web management Interface version 101 allows for XML Injection. The application reflects un-sanitized user input from the `file` parameter directly into…
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a CDATA block, allowing an authenticated attacker to break out of the tags and inject arbitrary XML elements. An actor is confirmed to be able to turn this into an reflected XSS but further abuse such as XXE may be possible
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Input validation directly stops unneutralized XML metacharacters from reaching the parser.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Secure SDLC directly requires input neutralization and validation that eliminates XML injection flaws.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing catches XML injection during development but does not itself implement the fix.
Logging can record injection attempts for detection but does not prevent the weakness.
Monitoring can detect exploitation but provides no preventive control over XML handling.
Secure SDLC mandates input validation and output encoding that directly prevent XML injection.
Application security requirements explicitly call for defenses against injection flaws including XML.
Secure architecture principles reduce attack surface but do not prescribe XML-specific controls.