CVE-2026-3631

Buffer Over-read DoS Vulnerability in COMMGR2

Published Mar 9, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Delta Electronics COMMGR2 has

Buffer Over-read DoS vulnerability.

Remediation

Vendor Solution

Please download and upgrade COMMGR2 to v2.11.1 or later.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:deltaww:commgr2:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.
Title Buffer Over-read DoS Vulnerability in COMMGR2
First Time appeared Deltaww
Deltaww commgr2
Weaknesses CWE-125
CPEs cpe:2.3:a:deltaww:commgr2:*:*:windows:*:*:*:*:*
Vendors & Products Deltaww
Deltaww commgr2
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Deltaww
Published
Updated
Mar 9, 2026, 6:27 PM
Reserved
Mar 6, 2026, 6:46 AM
Status
Analyzed
Published
Mar 9, 2026, 4:15 AM
Modified
Jun 17, 2026, 10:43 AM