Cyber Resilience

CVE-2026-8652

High

Published: 25 May 2026

Published
25 May 2026
Modified
25 May 2026
KEV Added
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Patch
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CVSS Score v4 8.5 CVSS:4.0/AV:A/AC:L/AT:N/PR:H/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 0.0072 49.4th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-8652 is a high-severity OS Command Injection (CWE-78) vulnerability in Nec (inferred from references). Its CVSS base score is 8.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Unix Shell (T1059.004); ranked at the 49.4th 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

An OS Command Injection vulnerability exists in Aterm. If a malicious third person gains administrator access to the product’s web console, they may be able to execute arbitrary OS commands via adjacent network.

CWE(s)
CWE-78

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
attack.mitre.org →
Why these techniques?

CWE-78 OS command injection in web console directly enables Unix shell command execution (T1059.004) once admin access is obtained.

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

CVEs Like This One

CVE-2024-55590Shared CWE-78
CVE-2026-45629Shared CWE-78
CVE-2026-45630Shared CWE-78
CVE-2025-34227Shared CWE-78
CVE-2026-1460Shared CWE-78
CVE-2025-22606Shared CWE-78
CVE-2026-26280Shared CWE-78
CVE-2026-31386Shared CWE-78
CVE-2024-57019Shared CWE-78
CVE-2026-45152Shared CWE-78

Affected Assets

Nec
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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