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CVE-2026-3631— Buffer Over-read DoS Vulnerability in COMMGR2

CVSS 7.5 · High EPSS 0.02% · P5
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I. Basic Information for CVE-2026-3631

Vulnerability Information
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Vulnerability Title
Buffer Over-read DoS Vulnerability in COMMGR2
Source: NVD (National Vulnerability Database)
Vulnerability Description
Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Delta Electronics COMMGR2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Delta Electronics COMMGR2是中国台达电子（Delta Electronics）公司的一个自动化设备通信管理软件。 Delta Electronics COMMGR2存在安全漏洞，该漏洞源于存在缓冲区过度读取，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
DeltaWWCOMMGR2 0 ~ 2.11.0 -

II. Public POCs for CVE-2026-3631

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III. Intelligence Information for CVE-2026-3631

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IV. Related Vulnerabilities

Same product: COMMGR2
Same vendor: DeltaWW
Same weakness: CWE-125

V. Comments for CVE-2026-3631

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