Cyber Resilience

CVE-2026-39006

CriticalRCE

Published: 15 June 2026

Published
15 June 2026
Modified
17 June 2026
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0052 40.0th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-39006 is a critical-severity External Control of File Name or Path (CWE-73) vulnerability. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 40.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

An issue in SNMP4J-Agent 3.8.3 allows a remote attacker to execute arbitrary code via the snmp4jCfgStoragePath component.

CWE(s)

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.
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
Why these techniques?

Remote unauthenticated RCE in exposed SNMP agent directly matches exploitation of public-facing app and remote services.

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

Affected Assets

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.

addresses: CWE-284 CWE-502

Penetration testing simulates unauthorized access attempts, directly detecting and enabling remediation of improper access control weaknesses.

addresses: CWE-284 CWE-502

Explicit security control assessments verify proper access control enforcement, detecting weaknesses that the flaw remediation process then eliminates.

addresses: CWE-73 CWE-502

Rejects externally supplied file or resource identifiers that fail validity checks.

addresses: CWE-284

The access control policy and procedures directly mandate and enforce proper access control mechanisms across the organization.

addresses: CWE-284

Device lock enforces restricted access until re-authentication, directly reducing unauthorized use of active sessions.

addresses: CWE-284

Supervision and review of access control activities directly detects and remediates improper access configurations or usages.

addresses: CWE-284

Explicitly identifying and documenting actions permitted without identification or authentication enforces proper access control boundaries by defining justified exceptions.

addresses: CWE-284

By automatically labeling outputs with security attributes, the control supports attribute-based enforcement and reduces exploitability of improper access control weaknesses.

References