Vulnerability-Lookup

CVE-2026-8652 (GCVE-0-2026-8652)

Vulnerability from cvelistv5 – Published: 2026-05-25 02:23 – Updated: 2026-05-26 14:43

Summary

An OS Command Injection vulnerability exists in Aterm. If a malicious third person gains administrator access to the product’s web console, they may be able to execute arbitrary OS commands via adjacent network.

Severity

8.5 (High)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-26 14:26 UTC

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

NEC jpcert root

References

1 reference

URL	Tags
https://jpn.nec.com/security-info/secinfo/nv26-00…

Impacted products

2 products

Vendor	Product	Version	CPE status
NEC Platforms, Ltd.	Aterm MR51FN	Affected: Before Ver. 3.4.0	guessed
NEC Platforms, Ltd.	Aterm CM51FD	Affected: Before Ver. 1.2.0	guessed

Credits

Sou Katou of Mitsui & Co. Secure Direction, Inc.

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-8652

Vulnerability from fkie_nvd - Published: 2026-05-25 04:16 - Updated: 2026-07-23 11:10

Severity

8.5 (High) - CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	psirt-info@cyber.jp.nec.com	https://jpn.nec.com/security-info/secinfo/nv26-003_en.html

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "Aterm MR51FN",
          "vendor": "NEC Platforms, Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "Before Ver. 3.4.0"
            }
          ]
        },
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          "product": "Aterm CM51FD",
          "vendor": "NEC Platforms, Ltd.",
          "versions": [
            {
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            }
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  "id": "CVE-2026-8652",
  "lastModified": "2026-07-23T11:10:00.120",
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GHSA-2WW7-HQM8-2QHF

Vulnerability from github – Published: 2026-05-26 13:30 – Updated: 2026-05-26 13:30

Details

Severity

8.5 (High)


                  
                    CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

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    "CVE-2026-8652"
  ],
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    "severity": "HIGH"
  },
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  "id": "GHSA-2ww7-hqm8-2qhf",
  "modified": "2026-05-26T13:30:38Z",
  "published": "2026-05-26T13:30:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8652"
    },
    {
      "type": "WEB",
      "url": "https://jpn.nec.com/security-info/secinfo/nv26-003_en.html"
    }
  ],
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      "type": "CVSS_V4"
    }
  ]
}

JVNDB-2026-000079

Vulnerability from jvndb - Published: 2026-05-25 06:35 - Updated:2026-05-25 09:14

Severity

6.8 (Medium) - cvssV3_0 - CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Summary

NEC Aterm series vulnerable to OS command injection (NV26-003)

Details

NEC Aterm series products provided by NEC Corporation contain the following vulnerability.

OS command injection (CWE-78) - CVE-2026-8652

So Kato of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN80890147/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-8652
	OS Command Injection(CWE-78)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

	NEC Corporation	Aterm CM51FD
	NEC Corporation	Aterm MR51FN

Show details on JVN DB website

JSON

To clipboard

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  "dcterms:issued": "2026-05-25T15:35+09:00",
  "dcterms:modified": "2026-05-25T18:14+09:00",
  "description": "NEC Aterm series products provided by NEC Corporation contain the following vulnerability.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/78.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://www.cve.org/CVERecord?id=CVE-2026-8652\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eOS command injection (CWE-78) - CVE-2026-8652\u003c/li\u003e\u003c/ul\u003eSo Kato of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000079.html",
  "sec:cpe": [
    {
      "#text": "cpe:/o:nec:aterm_cm51fd",
      "@product": "Aterm CM51FD",
      "@vendor": "NEC Corporation",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:nec:aterm_mr51fn",
      "@product": "Aterm MR51FN",
      "@vendor": "NEC Corporation",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "6.8",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000079",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN80890147/index.html",
      "@id": "JVN#80890147",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-8652",
      "@id": "CVE-2026-8652",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-78",
      "@title": "OS Command Injection(CWE-78)"
    }
  ],
  "title": "NEC Aterm series vulnerable to OS command injection (NV26-003)"
}

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-2026-8652 (GCVE-0-2026-8652)

FKIE_CVE-2026-8652

GHSA-2WW7-HQM8-2QHF

JVNDB-2026-000079

Tags

Sightings

Nomenclature

Related by attack behaviour