Vulnerability-Lookup

FKIE_CVE-2020-26561

Vulnerability from fkie_nvd - Published: 2020-10-23 06:15 - Updated: 2026-06-17 03:08

Severity

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

Summary

Belkin LINKSYS WRT160NL 1.0.04.002_US_20130619 devices have a stack-based buffer overflow vulnerability because of sprintf in create_dir in mini_httpd. Successful exploitation leads to arbitrary code execution. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

References

	URL	Tags
	cve@mitre.org	https://research.nccgroup.com/2020/10/20/wrt160nl-cve-2020-26561-bof/	Exploit, Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://research.nccgroup.com/2020/10/20/wrt160nl-cve-2020-26561-bof/	Exploit, Third Party Advisory

Impacted products

	Vendor	Product	Version
	belkin	linksys_wrt_160nl_firmware	1.0.04
	belkin	linksys_wrt_160nl	-

JSON

To clipboard

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  "descriptions": [
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      "lang": "en",
      "value": "Belkin LINKSYS WRT160NL 1.0.04.002_US_20130619 devices have a stack-based buffer overflow vulnerability because of sprintf in create_dir in mini_httpd. Successful exploitation leads to arbitrary code execution. NOTE: This vulnerability only affects products that are no longer supported by the maintainer"
    },
    {
      "lang": "es",
      "value": "** NO SOPORTADO CUANDO SE ASIGN\u00d3 ** Los dispositivos Belkin LINKSYS WRT160NL versi\u00f3n 1.0.04.002_US_20130619, presentan una vulnerabilidad de desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria debido a sprintf en la funci\u00f3n create_dir en el componente mini_httpd. Una explotaci\u00f3n con \u00e9xito conlleva a una ejecuci\u00f3n de c\u00f3digo arbitrario. NOTA: Esta vulnerabilidad solo afecta a los productos que ya no son compatibles con el mantenedor"
    }
  ],
  "id": "CVE-2020-26561",
  "lastModified": "2026-06-17T03:08:12.133",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
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          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5,
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          "integrityImpact": "PARTIAL",
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          "version": "2.0"
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        "impactScore": 6.4,
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        "obtainOtherPrivilege": false,
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        "type": "Primary",
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        "impactScore": 5.9,
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    "ssvcV203": [
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              "technicalImpact": "total"
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          "timestamp": "2024-04-24T17:34:47.660609Z",
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  "published": "2020-10-23T06:15:12.320",
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          "value": "CWE-787"
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      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-26561 (GCVE-0-2020-26561)

Vulnerability from cvelistv5 – Published: 2020-10-23 05:14 – Updated: 2024-11-15 16:22 Unsupported When Assigned

Summary

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-04-24 17:34 UTC

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://research.nccgroup.com/2020/10/20/wrt160nl…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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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.