CVE-2026-0854

HighRCE

Published: 12 January 2026

Published

12 January 2026

Modified

15 April 2026

KEV Added

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Patch

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CVSS Score 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0048 65.3th percentile

Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-0854 is a high-severity OS Command Injection (CWE-78) vulnerability in Org (inferred from references). Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 34.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 2 other techniques. What defenders deploy: see the NIST 800-53 controls recommended below.

Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-10 Information Input Validation good match

prevent

Directly prevents OS command injection by requiring validation of all information inputs to block malicious command strings in Merit LILIN DVR/NVR devices.

SI-2 Flaw Remediation good match

prevent

Mitigates the specific CVE-2026-0854 flaw through timely flaw remediation, including application of patches detailed in TWCERT/CC advisories.

AC-6 Least Privilege partial match

prevent

Limits damage from injected OS commands by enforcing least privilege on authenticated low-privilege remote users accessing vulnerable DVR/NVR models.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1210 Exploitation of Remote Services Lateral Movement

Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.

attack.mitre.org →

T1059.004 Unix Shell Execution

Adversaries may abuse Unix shell commands and scripts for execution.

attack.mitre.org →

Why these techniques?

OS command injection in a network-accessible DVR/NVR device enables exploitation of public-facing applications (T1190) or remote services (T1210) for arbitrary Unix shell command execution (T1059.004).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

NVD Description

Certain DVR/NVR models developed by Merit LILIN has a OS Command Injection vulnerability, allowing authenticated remote attackers to inject arbitrary OS commands and execute them on the device.

Deeper analysisAI

CVE-2026-0854 is an OS Command Injection vulnerability (CWE-78) present in certain DVR/NVR models developed by Merit LILIN. Published on 2026-01-12, it carries 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), indicating high severity due to its potential for significant impact across confidentiality, integrity, and availability.

The vulnerability enables authenticated remote attackers possessing low privileges to inject arbitrary OS commands, which are then executed on the affected device. Exploitation requires network access and is straightforward with low complexity and no user interaction, allowing attackers to gain substantial control over the DVR/NVR systems.

Advisories detailing mitigations and patches are available from TWCERT/CC at https://www.twcert.org.tw/en/cp-139-10623-4f523-2.html and https://www.twcert.org.tw/tw/cp-132-10624-6599c-1.html.