Vulnerability-Lookup

VAR-202509-0311

Vulnerability from variot - Updated: 2025-09-13 23:24

A vulnerability was detected in Tenda AC20 up to 16.03.08.12. The impacted element is the function strcpy of the file /goform/GetParentControlInfo. The manipulation of the argument mac results in buffer overflow. The attack may be performed from remote. The exploit is now public and may be used. Shenzhen Tenda Technology Co.,Ltd. of AC20 The firmware contains a buffer error vulnerability and a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. An attacker could exploit this vulnerability by remotely sending specially crafted data to trigger the buffer overflow, thereby executing arbitrary code or causing the system to crash

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CVE-2025-10120 (GCVE-0-2025-10120)

Vulnerability from cvelistv5 – Published: 2025-09-09 01:32 – Updated: 2025-09-09 14:06

Title

Tenda AC20 GetParentControlInfo strcpy buffer overflow

Summary

Severity

8.7 (High)


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

8.8 (High)


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

8.8 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-09-09 14:06 UTC

CWE

CWE-120 - Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root Scorecard

References

6 references

URL	Tags
https://vuldb.com/?id.323089	vdb-entrytechnical-description
https://vuldb.com/?ctiid.323089	signaturepermissions-required
https://vuldb.com/?submit.645680	third-party-advisory
https://github.com/cymiao1978/cve/blob/main/4.md	related
https://github.com/cymiao1978/cve/blob/main/4.md#poc	exploit
https://www.tenda.com.cn/	product

Impacted products

1 product

Vendor	Product	Version
Tenda	AC20	Affected: 16.03.08.0 Affected: 16.03.08.1 Affected: 16.03.08.2 Affected: 16.03.08.3 Affected: 16.03.08.4 Affected: 16.03.08.5 Affected: 16.03.08.6 Affected: 16.03.08.7 Affected: 16.03.08.8 Affected: 16.03.08.9 Affected: 16.03.08.10 Affected: 16.03.08.11 Affected: 16.03.08.12

Credits

cymiao (VulDB User)

Show details on NVD website

JSON

To clipboard

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          {
            "other": {
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                "id": "CVE-2025-10120",
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                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-09T14:06:10.711825Z",
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        {
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          "lang": "en",
          "type": "reporter",
          "value": "cymiao (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was detected in Tenda AC20 up to 16.03.08.12. The impacted element is the function strcpy of the file /goform/GetParentControlInfo. The manipulation of the argument mac results in buffer overflow. The attack may be performed from remote. The exploit is now public and may be used."
        },
        {
          "lang": "de",
          "value": "Es wurde eine Schwachstelle in Tenda AC20 bis 16.03.08.12 entdeckt. Betroffen ist die Funktion strcpy der Datei /goform/GetParentControlInfo. Die Manipulation des Arguments mac f\u00fchrt zu buffer overflow. Es ist m\u00f6glich, den Angriff aus der Ferne durchzuf\u00fchren. Die Ausnutzung wurde ver\u00f6ffentlicht und kann verwendet werden."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 9,
            "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-09T01:32:12.388Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-323089 | Tenda AC20 GetParentControlInfo strcpy buffer overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.323089"
        },
        {
          "name": "VDB-323089 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.323089"
        },
        {
          "name": "Submit #645680 | Tenda AC20 \u003c= V16.03.08.12 (latest) Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.645680"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://github.com/cymiao1978/cve/blob/main/4.md"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/cymiao1978/cve/blob/main/4.md#poc"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.tenda.com.cn/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-09-08T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-09-08T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-09-08T17:11:54.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Tenda AC20 GetParentControlInfo strcpy buffer overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-10120",
    "datePublished": "2025-09-09T01:32:12.388Z",
    "dateReserved": "2025-09-08T15:06:42.887Z",
    "dateUpdated": "2025-09-09T14:06:35.948Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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.

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VAR-202509-0311

CVE-2025-10120 (GCVE-0-2025-10120)

Tags

Sightings

Nomenclature

Related by attack behaviour