# CVE-2026-77853

## Summary

- **CVE ID:** CVE-2026-77853
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-78
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 15, 2026

## Description

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in FF-RFI079I4 and FF-RFI078I4. A user who can log in to the product's M-Plane (NETCONF) may execute arbitrary OS commands.

## Affected Products

- LITE-ON Technology Corporation — FF-RFI079I4 (0)
- LITE-ON Technology Corporation — FF-RFI078I4 (0)

## References

- [CNA](https://5g.liteon.com/security/flexfi/)
- [CNA](https://jvn.jp/en/jp/JVN02049764/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.03%
- **EPSS Percentile:** 62.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._