Cyber Resilience

CVE-2026-45431

HighRCEUpdated

Published: 04 June 2026

Published
04 June 2026
Modified
17 June 2026
KEV Added
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Patch
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CVSS Score v4 8.7 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/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:X
EPSS Score 0.0039 30.7th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-45431 is a high-severity OS Command Injection (CWE-78) vulnerability in Org (inferred from references). Its CVSS base score is 8.7 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 30.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

This vulnerability exists in GX Earth ONT models due to improper handling of user-supplied input in multiple diagnostic functions in its web management interface. An authenticated remote attacker could exploit this vulnerability by injecting arbitrary and executing OS commands on…

more

the targeted device. Successful exploitation of this vulnerability could allow the attacker to perform remote code execution with root privileges on the targeted device.

CWE(s)
CWE-78

Related Threats

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 →
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 web management interface directly enables T1190 exploitation of public-facing app and T1059.004 Unix shell execution (CWE-78 RCE).

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

CVEs Like This One

CVE-2018-25115Shared CWE-78
CVE-2025-41276Shared CWE-78
CVE-2026-28463Shared CWE-78
CVE-2024-55590Shared CWE-78
CVE-2026-23678Shared CWE-78
CVE-2025-56089Shared CWE-78
CVE-2025-56087Shared CWE-78
CVE-2025-10230Shared CWE-78
CVE-2026-27635Shared CWE-78
CVE-2026-28470Shared CWE-78

Affected Assets

Org
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inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References