Vulnerability-Lookup

CVE-2026-90572 (GCVE-0-2026-90572)

Vulnerability from cvelistv5 – Published: 2026-09-13 17:15 – Updated: 2026-09-15 13:59

Title

davenardella snap7 s7_micro_client.cpp opUpload memory corruption

Summary

A vulnerability was determined in davenardella snap7 up to 1.4.3. The affected element is the function TSnap7MicroClient::opUpload of the file src/core/s7_micro_client.cpp. Executing a manipulation of the argument DataLen can lead to memory corruption. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Severity

5.1 (Medium)


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

4.7 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

4.7 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 13:50 UTC

CWE

CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

6 references

URL	Tags
https://vuldb.com/vuln/403157	vdb-entrytechnical-descriptionmitigation
https://vuldb.com/vuln/403157/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90572	third-party-advisory
https://vuldb.com/submit/912711	third-party-advisory
https://github.com/davenardella/snap7/issues/30	exploitissue-tracking
https://github.com/davenardella/snap7/	product

Impacted products

1 product

Vendor	Product	Version	CPE status
davenardella	snap7	Affected: 1.4.0 Affected: 1.4.1 Affected: 1.4.2 Affected: 1.4.3 cpe:2.3:a:davenardella:snap7::::::::

Credits

Mayur Agnihotri mayur021 (VulDB User) mayur021 (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-90572

Vulnerability from fkie_nvd - Published: 2026-09-13 18:16 - Updated: 2026-09-15 15:17

Severity

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

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/davenardella/snap7/
	cna@vuldb.com	https://github.com/davenardella/snap7/issues/30
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-90572
	cna@vuldb.com	https://vuldb.com/submit/912711
	cna@vuldb.com	https://vuldb.com/vuln/403157
	cna@vuldb.com	https://vuldb.com/vuln/403157/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.0,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "HIGH",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-90572",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-15T13:50:42.914558Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-13T18:16:48.727",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/davenardella/snap7/"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/davenardella/snap7/issues/30"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-90572"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/912711"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/403157"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/403157/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-XRQ6-Q643-MCV3

Vulnerability from github – Published: 2026-09-13 18:31 – Updated: 2026-09-13 18:31

Details

Severity

4.7 (Medium)


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

2.0 (Low)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-90572"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-13T18:16:48Z",
    "severity": "LOW"
  },
  "details": "A vulnerability was determined in davenardella snap7 up to 1.4.3. The affected element is the function TSnap7MicroClient::opUpload of the file src/core/s7_micro_client.cpp. Executing a manipulation of the argument DataLen can lead to memory corruption. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.",
  "id": "GHSA-xrq6-q643-mcv3",
  "modified": "2026-09-13T18:31:21Z",
  "published": "2026-09-13T18:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90572"
    },
    {
      "type": "WEB",
      "url": "https://github.com/davenardella/snap7/issues/30"
    },
    {
      "type": "WEB",
      "url": "https://github.com/davenardella/snap7"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-90572"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/912711"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/403157"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/403157/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

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-2026-90572 (GCVE-0-2026-90572)

FKIE_CVE-2026-90572

GHSA-XRQ6-Q643-MCV3

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Nomenclature

Related by attack behaviour