CVE-2026-77853Network attack vector

Authenticated OS command execution via NETCONF injection

Published Sep 15, 2026 · Updated Sep 15, 2026

OS command injection in Lite-On FF-RFI078I4 and FF-RFI079I4 before 02.01.15 allows remote authenticated users to execute commands. The vendor and JVN identify the M-Plane NETCONF interface as the entry point but do not disclose which operation passes input to the OS shell. Access requires valid M-Plane credentials; successful exploitation runs arbitrary OS commands with the appliance service's privileges.

CVSS severity8.7
High
EPSS probability1.03%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Lite-On FF-RFI078I4 and FF-RFI079I4 before 02.01.15 allows remote authenticated users to execute commands. The vendor and JVN identify the M-Plane NETCONF interface as the entry point but do not disclose which operation passes input to the OS shell. Access requires valid M-Plane credentials; successful exploitation runs arbitrary OS commands with the appliance service's privileges.

The record

CVE
CVE-2026-77853
Published
Sep 15, 2026
Updated
Sep 15, 2026
Vendor
Lite-On Technology Corporation
Product
FF-RFI078I4
Classifications
CWE-78, T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <02.01.15

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Lite-On Technology Corporation · FF-RFI078I4version=0 <02.01.15
Lite-On Technology Corporation · FF-RFI079I4version=0 <02.01.15

Published CVSS scores

8.7JVNCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.8JVNCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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