Delta Electronics COMMGR2 is affected by a stack-based buffer overflow vulnerability that could lead to arbitrary code execution or system crashes.
Description
Delta Electronics COMMGR2 is affected by a stack-based buffer overflow vulnerability that could lead to arbitrary code execution or system crashes.
AI Analyst Comment
Remediation
Update Delta Electronics COMMGR2 to the latest version. Check vendor security advisory for specific patch details. Monitor for exploitation attempts and review access logs.
---METADATA---
VENDOR: Delta Electronics
PRODUCT: COMMGR2
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
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Description Summary:
Delta Electronics COMMGR2 is affected by a stack-based buffer overflow vulnerability that could lead to arbitrary code execution or system crashes.
Executive Summary:
A critical stack-based buffer overflow in Delta Electronics COMMGR2 allows attackers to potentially execute arbitrary code or cause a total system denial-of-service.
Vulnerability Details
CVE-ID: CVE-2026-3630
Affected Software: Delta Electronics COMMGR2
Affected Versions: See vendor advisory for specific affected versions
Vulnerability: This vulnerability is a stack-based buffer overflow within the COMMGR2 software. While the authentication level is not explicitly defined in the brief, such flaws typically allow an attacker to overwrite memory by sending specially crafted data to a vulnerable function.
Business Impact
A successful exploit of this vulnerability could result in complete system compromise or significant operational downtime. With a CVSS score of 9.8, this is classified as Critical, indicating that the flaw is easily exploitable and carries a high risk of unauthorized remote code execution, which could lead to data theft or the introduction of ransomware into the industrial control environment.
Remediation Plan
Immediate Action: Update Delta Electronics COMMGR2 to the latest available version immediately to patch the buffer overflow flaw.
Proactive Monitoring: Implement network traffic analysis to detect unusual communication patterns or malformed packets directed at the COMMGR2 service.
Compensating Controls: Deploy host-based intrusion prevention systems (HIPS) and restrict network access to the software to authorized administrative workstations only.
Exploitation Status
Public Exploit Available: false
Analyst Notes: As of March 9, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw and its critical severity, the potential for exploitation is extremely high once technical details become known.
Analyst Recommendation
The Critical severity of this vulnerability necessitates immediate attention from security teams. Organizations using Delta Electronics COMMGR2 should prioritize the application of the vendor-supplied patch to mitigate the risk of remote code execution and ensure the continued integrity of their control systems.