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Industrial CVE-2026-3630

CRITICAL
Out-of-bounds Write (CWE-787)
2026-03-09 759f5e80-c8e1-4224-bead-956d7b33c98b
Buffer Overflow Industrial Stack Overflow Commgr2
9.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:56 vuln.today
CVE Published
Mar 09, 2026 - 04:15 nvd
CRITICAL 9.8

DescriptionNVD

Delta Electronics COMMGR2 has

Stack-based Buffer Overflow vulnerability.

AnalysisAI

Stack-based buffer overflow in Delta Electronics COMMGR2 communication management software. ICS vulnerability enabling remote code execution on industrial communication gateways.

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RemediationAI

Within 24 hours: Identify all systems running COMMGR2 and isolate them from production networks if possible; disable remote access and restrict local access to authorized personnel only. Within 7 days: Implement network segmentation to limit COMMGR2 lateral movement; deploy enhanced monitoring and logging on affected systems; coordinate with Delta Electronics for patch timeline and interim guidance. …

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CVE-2026-3630 vulnerability details – vuln.today
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