Vulnerability-Lookup

CVE-2026-3631 (GCVE-0-2026-3631)

Vulnerability from cvelistv5 – Published: 2026-03-09 02:56 – Updated: 2026-03-09 18:27

Title

Buffer Over-read DoS Vulnerability in COMMGR2

Summary

Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-09 18:27 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

Deltaww icscert root

References

1 reference

URL	Tags
https://filecenter.deltaww.com/news/download/doc/…

Impacted products

1 product

Vendor	Product	Version	CPE status
DeltaWW	COMMGR2	Affected: 0 , ≤ 2.11.0 (custom) cpe:2.3:a:deltaww:commgr2:::windows:::::*

Date Public

2026-03-09 02:22

Credits

Tenable

Show details on NVD website

JSON

To clipboard

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CNVD-2026-15864

Vulnerability from cnvd - Published: 2026-04-02

Title

Delta Electronics COMMGR2拒绝服务漏洞

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存在拒绝服务漏洞，攻击者可利用该漏洞导致拒绝服务。

Severity

高

Patch Name

Delta Electronics COMMGR2拒绝服务漏洞的补丁

Patch 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存在拒绝服务漏洞，攻击者可利用该漏洞导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://downloadcenter.deltaww.com/en-US/DownloadCenter?v=1&CID=06&itemID=060708

Reference

https://downloadcenter.deltaww.com/en-US/DownloadCenter?v=1&CID=06&itemID=060708

Impacted products

Name
Delta Electronics COMMGR2 <2.11.1

Show details on source website

JSON

To clipboard

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      "cveNumber": "CVE-2026-3631",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-3631"
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  "number": "CNVD-2026-15864",
  "openTime": "2026-04-02",
  "patchDescription": "Delta Electronics COMMGR2\u662f\u4e2d\u56fd\u53f0\u8fbe\u7535\u5b50\uff08Delta Electronics\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u81ea\u52a8\u5316\u8bbe\u5907\u901a\u4fe1\u7ba1\u7406\u8f6f\u4ef6\u3002\r\n\r\nDelta Electronics COMMGR2\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
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  "submitTime": "2026-03-16",
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FKIE_CVE-2026-3631

Vulnerability from fkie_nvd - Published: 2026-03-09 04:15 - Updated: 2026-06-17 10:43

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.

References

	URL	Tags
	759f5e80-c8e1-4224-bead-956d7b33c98b	https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00005_COMMGR%202%20Multiple%20Vulnerabilities%20(CVE-2026-3630,%20CVE-2026-3631).pdf	Vendor Advisory

Impacted products

	Vendor	Product	Version
	deltaww	commgr2	*

JSON

To clipboard

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GHSA-Q5CV-PHMC-FWGP

Vulnerability from github – Published: 2026-03-09 06:31 – Updated: 2026-03-09 06:31

Details

Delta Electronics COMMGR2 has

Buffer Over-read DoS vulnerability.

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

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  },
  "details": "Delta Electronics COMMGR2 has \n\nBuffer Over-read DoS vulnerability.",
  "id": "GHSA-q5cv-phmc-fwgp",
  "modified": "2026-03-09T06:31:13Z",
  "published": "2026-03-09T06:31:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3631"
    },
    {
      "type": "WEB",
      "url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00005_COMMGR%202%20Multiple%20Vulnerabilities%20(CVE-2026-3630,%20CVE-2026-3631).pdf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-3631 (GCVE-0-2026-3631)

CNVD-2026-15864

FKIE_CVE-2026-3631

GHSA-Q5CV-PHMC-FWGP

Tags

Sightings

Nomenclature

Related by attack behaviour